{"id":420,"date":"2012-05-15T21:13:26","date_gmt":"2012-05-15T19:13:26","guid":{"rendered":"https:\/\/opistobranquis.info\/polycera-quadrilineatapolycera-quadrilineatapolycera-quadrilineata"},"modified":"2023-02-05T09:56:14","modified_gmt":"2023-02-05T08:56:14","slug":"polycera-quadrilineata","status":"publish","type":"page","link":"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/","title":{"rendered":"Polycera quadrilineata"},"content":{"rendered":"<p><\/p>\n<h3><em>Polycera quadrilineata <\/em>(O. F. M\u00fcller, 1776)<\/h3>\n<p><span style=\"font-size:10pt;\" class=\"aligncenter\"><div id=\"featured-img-id\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-122.jpg?w=900&#038;ssl=1\" alt=\"Polycera quadrilineata by Enric Madrenas\" \/><\/div><center><em>Polycera quadrilineata<\/em> por Enric Madrenas<\/center><\/span><p><\/p><div class=\"opk-worms\"><h3>Informaci\u00f3n taxon\u00f3mica WoRMS<\/h3><div class=\"opk-success\">Nombre aceptado actual: <strong><em>Polycera quadrilineata<\/em> (O. F. M\u00fcller, 1776)<\/strong><\/div><h4>Clasificaci\u00f3n actual<\/h4><table class=\"widefat striped\"><tr><th>Superdomain<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=1\">Biota<\/a><\/td><\/tr><tr><th>Kingdom<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=2\">Animalia<\/a><\/td><\/tr><tr><th>Phylum<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=51\">Mollusca<\/a><\/td><\/tr><tr><th>Class<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=101\">Gastropoda<\/a><\/td><\/tr><tr><th>Subclass<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=14712\">Heterobranchia<\/a><\/td><\/tr><tr><th>Infraclass<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=1057247\">Euthyneura<\/a><\/td><\/tr><tr><th>Subterclass<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=1057249\">Ringipleura<\/a><\/td><\/tr><tr><th>Superorder<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=411966\">Nudipleura<\/a><\/td><\/tr><tr><th>Order<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=1762\">Nudibranchia<\/a><\/td><\/tr><tr><th>Suborder<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=1829294\">Doridida<\/a><\/td><\/tr><tr><th>Infraorder<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=246038\">Doridoidei<\/a><\/td><\/tr><tr><th>Superfamily<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=412569\">Polyceroidea<\/a><\/td><\/tr><tr><th>Family<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=177\">Polyceridae<\/a><\/td><\/tr><tr><th>Subfamily<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=412574\">Polycerinae<\/a><\/td><\/tr><tr><th>Genus<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=138369\"><em>Polycera<\/em><\/a><\/td><\/tr><tr><th>Species<\/th><td><a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=140838\"><em>Polycera quadrilineata<\/em> (O. F. M\u00fcller, 1776)<\/a><\/td><\/tr><\/table><p class=\"footer\">Clasificaci\u00f3n proporcionada por el World Register of Marine Species (WoRMS). [<a target=\"_blank\" href=\"https:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&id=140838\">140838<\/a>]<\/p><\/div><strong>Nota taxon\u00f3mica:\u00a0<\/strong><em>Polycera quadrilineata<\/em> se ha revelado recientemente como perteneciente a un grupo de varias especies cr\u00edpticas con morfolog\u00edas similares. Hasta 2020, el morfotipo de <em>Polycera norvegica<\/em> S\u00f8rensen, Rauch, Pola &amp; Malaquias, 2020 estaba incluido en la mayor\u00eda de las descripciones publicadas de <em>P. quadrilineata<\/em>. Korshunova et al (2021) publicaron su trabajo sobre el complejo de especies cr\u00edpticas de <em>Polycera quadrilineata<\/em>, donde se reconocieron cuatro especies diferentes de las costas atl\u00e1nticas europeas, incluida una especie nueva para la ciencia, <em>Polycera kernowensis<\/em>, en base a un enfoque multidisciplinar (molecular, morfol\u00f3gico, filogen\u00e9tico, filogeogr\u00e1fico y ecol\u00f3gico) para la determinaci\u00f3n de especies. En este trabajo, los autores indicaron que la especie <em>Polycera norvegica<\/em> era un sin\u00f3nimo junior de <em>Polycera capitata<\/em> (designaci\u00f3n original: <em>Thecacera capitata<\/em>), pero Malaquias et al (2022) demuestran que, de acuerdo con la ICZN, <em>Thecacera capitata<\/em> (y en consecuencia tambi\u00e9n <em>Polycera capitata<\/em>) debe considerarse <em>nomen dubium<\/em>, por lo que restablecen <em>Polycera norvegica<\/em> como el nombre v\u00e1lido para dicha especie.<\/p>\n<p><strong>Sin\u00f3nimos<\/strong><\/p>\n<ul>\n<li><strong><em>Doris quadrilineata<\/em> O. F. M\u00fcller, 1776<\/strong><\/li>\n<li><em>Doris cornuta<\/em> Rathke, 1806<\/li>\n<li><em>Doris flava<\/em> Montagu, 1804<\/li>\n<li><em>Polycera lineatus<\/em> Risso, 1826<\/li>\n<li><em>Doris ornata<\/em> (d&#8217;Orbigny, 1837)<\/li>\n<li><em>Polycera ornata<\/em> d&#8217;Orbigny, 1837<\/li>\n<li><em>Polycera typica <\/em>W. Thompson, 1840<\/li>\n<li><em>Polycera varians<\/em> M. Sars, 1840<\/li>\n<li><em>Polycera mediterranea<\/em> Bergh, 1879<\/li>\n<li><em>Polycera quadrilineata mediterranea<\/em> Bergh, 1879<\/li>\n<li><em>Polycera nigropicta<\/em> Ihering, 1885<\/li>\n<li><em>Polycera quadrilineata nigropicta<\/em> Ihering, 1886<\/li>\n<li><em>Polycera nigrolineata<\/em> Dautzenberg &amp; Durouchoux, 1913<\/li>\n<li><em>Polycera quadrilineata nigrolineata<\/em> Dautzenberg &amp; Durouchoux, 1913<\/li>\n<li><em>Polycera salamandra<\/em> Labb\u00e9, 1931<\/li>\n<\/ul>\n<p><strong>Descripci\u00f3n<br \/>\n<\/strong>El cuerpo alcanza un tama\u00f1o m\u00e1ximo de unos 30 mm de largo, con una longitud m\u00e1xima reportada de 45 mm (S\u00f8rensen et al., 2020), aunque en el Mediterr\u00e1neo dificilmente superan los 20 mm (Obs.Pers.). Cuerpo de color blanco trasl\u00facido, con tonos anaranjados o rosados debido a la gl\u00e1ndula digestiva en su interior, visible por transparencia. Manto liso con una serie de marcas anaranjadas o amarillas a lo largo del borde, desde debajo de los rin\u00f3foros hasta el gran l\u00f3bulo situado a cada lado de las branquias. La parte anterior del borde a menudo tiene una peque\u00f1a proyecci\u00f3n lateral triangular que a veces puede ser lo suficientemente larga como para confundirse con un proceso del velo anterior. El velo anterior puede tener cuatro o cinco, o hasta un m\u00e1ximo de siete, procesos alargados de color amarillo o naranja. En la parte inferior del velo la boca est\u00e1 flanqueada por dos crestas, que pueden ser ligeramente amarillas. La mayor\u00eda de los ejemplares tienen los ap\u00e9ndices corporales con las puntas de color amarillo o naranja, con una l\u00ednea dorsal del mismo color en la parte superior de la cola, y marcas tuberculadas (pero no motas finas) en n\u00famero y tama\u00f1o variable alineadas formando l\u00edneas discontinuas (que pueden llegar a ser continuas) a lo largo del cuerpo. Puede haber marcas negras, especialmente en la cara interna de la base de los rin\u00f3foros. Algunos ejemplares tienen mucho pigmento negro (que puede ser marr\u00f3n parduzco o incluso de tonos verdosos) formando l\u00edneas a lo largo del dorso y del cuerpo, que pueden llegar a fusionarse e incluso enmascarar la l\u00ednea amarilla de la cola. El patr\u00f3n de color depende de la localidad y del crecimiento, ya que los patrones de color m\u00e1s oscuros se desarrollan con la edad del animal. Los rin\u00f3foros tienen el tercio basal liso, transparente, sin pigmentar, aunque puede estar te\u00f1ido de negro, especialmente en su cara interna. Los dos tercios superiores de los rin\u00f3foros tienen habitualmente entre 11 y 17 laminillas, con pigmento amarillo principalmente en la parte anterior, la parte posterior no tiene este pigmento. Los rin\u00f3foros est\u00e1n ligeramente curvados hacia atr\u00e1s en su parte media. Las branquias se encuentran detr\u00e1s del bulto del pericardio y est\u00e1n formadas por seis o siete (a veces hasta 11) hojas unipinnadas. En los ejemplares con poco o ning\u00fan pigmento oscuro en el cuerpo, las hojas branquiales suelen ser de color blanco transl\u00facido con las puntas amarillas o anaranjadas, pero en los ejemplares con pigmento negro en el cuerpo, la branquia suele tener tambi\u00e9n manchas de estos colores oscuros. Las branquias no pueden retraerse dentro del cuerpo pero s\u00ed pueden contraerse formando un bulto, si el animal es molestado. La apertura genital est\u00e1 situada en el lado derecho del animal, entre el rin\u00f3foro y la branquia. La papila anal se encuentra en el dorso, detr\u00e1s de la base de las branquias. El pie es de color blanco transl\u00facido, a menudo con algunas peque\u00f1as marcas amarillas. La suela es truncada y de color blanco transl\u00facido, m\u00e1s ancha hacia adelante y se estrecha paulatinamente hacia la cola. Tiene un par de tent\u00e1culos propodiales con las puntas amarillas. La cola tiene una l\u00ednea media dorsal, de color amarillo o naranja, que puede verse por transparencia a trav\u00e9s de la suela.<\/p>\n<p><strong>Biolog\u00eda<br \/>\n<\/strong><em>P. quadrilineata<\/em> vive en el infralitoral de las costas rocosas hasta profundidades de 60 m. Por lo general, es m\u00e1s grande y m\u00e1s f\u00e1cil de encontrar en febrero y marzo. Su alimentaci\u00f3n consiste en briozoos incrustantes como <em>Electra pilosa, Membranipora membranacea, Callopora dumerilii, Celleporella hyalina<\/em> y <em>Tegella unicornis<\/em>. Es hermafrodita simult\u00e1neo. La puesta tiene forma de cinta corta y curva, de unos 2 mm de alto, unida al substrato por uno de sus bordes, cerca o encima de los briozoos de los que se alimenta. Cada puesta viene a contener unos 20.000 huevos de color blanco y unas 80 micras de di\u00e1metro. Tras la eclosi\u00f3n, las larvas veliger (que todav\u00eda tienen una concha protectora) viven en el plancton durante un tiempo antes de metamorfosearse en nudibranquios diminutos.<\/p>\n<p><strong>Etimolog\u00eda<\/strong><\/p>\n<ul>\n<li><em>Polycera<\/em>. Del Griego &#8220;polys&#8221;, mucho + &#8220;keras&#8221;, cuerno.<\/li>\n<li><em>Quadrilineata<\/em>. Con cuatro l\u00edneas. Del Lat\u00edn &#8220;quadrus&#8221;, cuadrado, derivado de &#8220;quattuor&#8221;, cuatro + &#8220;l\u012bnea&#8221;, una cuerda de arc o de uso general, un hilo de coser o de pesca, una plomada, una l\u00ednea (geom\u00e9trica), un esbozo o esquema, i otros significados similares.<\/li>\n<\/ul>\n<p><strong>Distribuci\u00f3n<br \/>\n<\/strong><em>P. quadrilineata<\/em> se encuentra desde el \u00c1rtico noruego hasta el Mediterr\u00e1neo. Es com\u00fan y, a veces abundante, en ciertos lugares a principios de la primavera, principalmente en costas rocosas. En la Pen\u00ednsula Ib\u00e9rica ha sido citada en todas sus zonas costeras, tambi\u00e9n en Canarias, Azores y Madeira (Cervera et al. 2004). En las costas catalanas se ha localizado en numerosas localidades de la Costa Brava como Cala Sant Antoni, Es Caials, Cadaqu\u00e9s, Roses, L\u00b4 Escala, Llafranc, Cala Aiguafreda, Cala Aiguablava, Tossa de Mar, Cala Sant Francesc y Blanes y en el litoral sur de Catalunya en el puerto de Vallcarca (Garraf), Sitges, Cubelles y Torredembarra. <div id=\"flxmap-6a999c20e4507\" class='flxmap-container' data-flxmap='flxmap_6a999c20e4507' style=\"width:100%;height:400px;\"><\/div>\n<script data-noptimize=\"1\">\n\/* <![CDATA[ *\/\n(function(w, fn) {\n if (w.addEventListener) w.addEventListener(\"DOMContentLoaded\", fn, false);\n else if (w.attachEvent) w.attachEvent(\"onload\", fn);\n})(window, function() {\n var f = new FlexibleMap();\n f.panControl = true;\n f.mapTypeId = \"satellite\";\n f.setlocale(\"es-ES\");\n f.kmlcache = \"5 minutes\";\n f.showKML(\"flxmap-6a999c20e4507\", \"https:\/\/opistobranquis.info\/wp-content\/uploads\/kms\/420.kmz\");\n window.flxmap_6a999c20e4507 = f;\n});\n\/* ]]> *\/\n<\/script>\n<div style=\"width:100%;text-align:center;margin:12px 0 4px 0;\">\n  <div style=\"font-size:8pt;margin-bottom:6px;\">Citas georeferenciadas conocidas de la especie: <em>Polycera quadrilineata<\/em><\/div>\n  <table style=\"margin:0 auto;border-collapse:collapse;font-size:8pt;\">\n    <tr><td colspan=\"2\" style=\"text-align:left;padding-bottom:4px;\"><strong>Fonts:<\/strong><\/td><\/tr>\n    <tr>\n      <td style=\"vertical-align:top;padding-right:40px;\">\n        <table style=\"border-collapse:collapse;\">\n<tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/wht-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>OBIS<\/td><\/tr><tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/ylw-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>GROC 2010-2011<\/td><\/tr><tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/grn-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>Enric Madrenas<\/td><\/tr><tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/orange-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>Jo\u00e3o Pedro Silva<\/td><\/tr><tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/pink-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>Bernard Picton<\/td><\/tr><tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/blk-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>GBIF<\/td><\/tr>        <\/table>\n      <\/td>\n      <td style=\"vertical-align:top;\">\n        <table style=\"border-collapse:collapse;\">\n<tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/purple-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>OPK<\/td><\/tr><tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/red-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>VIMAR<\/td><\/tr><tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/blu-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>Manuel Ballesteros<\/td><\/tr><tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/cyan-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>M@re Nostrum<\/td><\/tr><tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/grey-circle-lv.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>Altres fonts<\/td><\/tr><tr><td style='padding:1px 6px 1px 0;vertical-align:middle'><img data-recalc-dims=\"1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/kms\/marreg.png?w=900&#038;ssl=1\" style='display:block'><\/td><td style='padding:1px 0;vertical-align:middle;white-space:nowrap'>Marine Regions<\/td><\/tr>        <\/table>\n      <\/td>\n    <\/tr>\n  <\/table>\n<\/div>\n<\/p>\n<p><strong>Error:<\/strong> Chart.js no est\u00e1 disponible.<\/p>\n<p><strong>Videos<\/strong><\/p>\n<p><iframe loading=\"lazy\" title=\"Polyc\u00e8re \u00e0 quatre lignes - Polycera quadrilineata - Bassin de Thau (France)\" width=\"900\" height=\"506\" src=\"https:\/\/www.youtube.com\/embed\/JooCR_mNRo8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/p>\n<p><iframe loading=\"lazy\" title=\"Polycera quadrilineata - Etang de Thau - www.loeilduplongeur.com\" width=\"900\" height=\"506\" src=\"https:\/\/www.youtube.com\/embed\/f8-8sOiZX6A?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/player.vimeo.com\/video\/481977459?h=d71c4e00fa&amp;dnt=1&amp;app_id=122963\" width=\"900\" height=\"506\" frameborder=\"0\" allow=\"autoplay; fullscreen; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<div style=\"width: 900px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-420-2\" width=\"900\" height=\"510\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2020\/05\/Polycera-quadrilineata-veliger-larva-by-Allan-Rowat.mp4?_=2\" \/><a href=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2020\/05\/Polycera-quadrilineata-veliger-larva-by-Allan-Rowat.mp4\">https:\/\/opistobranquis.info\/wp-content\/uploads\/2020\/05\/Polycera-quadrilineata-veliger-larva-by-Allan-Rowat.mp4<\/a><\/video><\/div>\n<p>&nbsp;<\/p>\n<p><strong>Otras fotos<br \/>\n<\/strong><div class=\"tiled-gallery type-rectangular tiled-gallery-unresized\" data-original-width=\"900\" data-carousel-extra='{&quot;blog_id&quot;:1,&quot;permalink&quot;:&quot;https:\\\/\\\/opistobranquis.info\\\/es\\\/guia\\\/nudibranchia\\\/doridina\\\/doridoidei\\\/polyceroidea\\\/polycera-quadrilineata\\\/&quot;,&quot;likes_blog_id&quot;:44192421}' itemscope itemtype=\"http:\/\/schema.org\/ImageGallery\" > <div class=\"gallery-row\" style=\"width: 900px; height: 417px;\" data-original-width=\"900\" data-original-height=\"417\" > <div class=\"gallery-group images-1\" style=\"width: 617px; height: 417px;\" data-original-width=\"617\" data-original-height=\"417\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-04\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"613\"> <meta itemprop=\"height\" content=\"413\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"4818\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-04.jpg\" data-orig-size=\"810,546\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata by Enric Madrenas\" data-image-description=\"&lt;p&gt;Polycera quadrilineata by Enric Madrenas&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-04.jpg?fit=300%2C202&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-04.jpg?fit=810%2C546&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-04.jpg?w=613&#038;h=413&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-04.jpg?w=810&amp;ssl=1 810w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-04.jpg?resize=300%2C202&amp;ssl=1 300w\" width=\"613\" height=\"413\" loading=\"lazy\" data-original-width=\"613\" data-original-height=\"413\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata by Enric Madrenas\" alt=\"Polycera quadrilineata by Enric Madrenas\" style=\"width: 613px; height: 413px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata by Enric Madrenas <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-1\" style=\"width: 283px; height: 417px;\" data-original-width=\"283\" data-original-height=\"417\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-07\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"279\"> <meta itemprop=\"height\" content=\"413\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"4819\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-07.jpg\" data-orig-size=\"412,610\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata by Enric Madrenas\" data-image-description=\"&lt;p&gt;Polycera quadrilineata by Enric Madrenas&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-07.jpg?fit=202%2C300&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-07.jpg?fit=412%2C610&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-07.jpg?w=279&#038;h=413&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-07.jpg?w=412&amp;ssl=1 412w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-07.jpg?resize=202%2C300&amp;ssl=1 202w\" width=\"279\" height=\"413\" loading=\"lazy\" data-original-width=\"279\" data-original-height=\"413\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata by Enric Madrenas\" alt=\"Polycera quadrilineata by Enric Madrenas\" style=\"width: 279px; height: 413px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata by Enric Madrenas <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <div class=\"gallery-row\" style=\"width: 900px; height: 664px;\" data-original-width=\"900\" data-original-height=\"664\" > <div class=\"gallery-group images-1\" style=\"width: 450px; height: 664px;\" data-original-width=\"450\" data-original-height=\"664\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-08\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"446\"> <meta itemprop=\"height\" content=\"660\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"4820\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-08.jpg\" data-orig-size=\"412,610\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata by Enric Madrenas\" data-image-description=\"&lt;p&gt;Polycera quadrilineata by Enric Madrenas&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-08.jpg?fit=202%2C300&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-08.jpg?fit=412%2C610&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-08.jpg?w=446&#038;h=660&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-08.jpg?w=412&amp;ssl=1 412w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-08.jpg?resize=202%2C300&amp;ssl=1 202w\" width=\"446\" height=\"660\" loading=\"lazy\" data-original-width=\"446\" data-original-height=\"660\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata by Enric Madrenas\" alt=\"Polycera quadrilineata by Enric Madrenas\" style=\"width: 446px; height: 660px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata by Enric Madrenas <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-1\" style=\"width: 450px; height: 664px;\" data-original-width=\"450\" data-original-height=\"664\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-09\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"446\"> <meta itemprop=\"height\" content=\"660\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"4821\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-09.jpg\" data-orig-size=\"412,610\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata by Enric Madrenas\" data-image-description=\"&lt;p&gt;Polycera quadrilineata by Enric Madrenas&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-09.jpg?fit=202%2C300&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-09.jpg?fit=412%2C610&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-09.jpg?w=446&#038;h=660&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-09.jpg?w=412&amp;ssl=1 412w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-09.jpg?resize=202%2C300&amp;ssl=1 202w\" width=\"446\" height=\"660\" loading=\"lazy\" data-original-width=\"446\" data-original-height=\"660\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata by Enric Madrenas\" alt=\"Polycera quadrilineata by Enric Madrenas\" style=\"width: 446px; height: 660px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata by Enric Madrenas <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <div class=\"gallery-row\" style=\"width: 900px; height: 417px;\" data-original-width=\"900\" data-original-height=\"417\" > <div class=\"gallery-group images-1\" style=\"width: 617px; height: 417px;\" data-original-width=\"617\" data-original-height=\"417\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-10\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"613\"> <meta itemprop=\"height\" content=\"413\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"4822\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-10.jpg\" data-orig-size=\"810,546\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata by Enric Madrenas\" data-image-description=\"&lt;p&gt;Polycera quadrilineata by Enric Madrenas&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-10.jpg?fit=300%2C202&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-10.jpg?fit=810%2C546&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-10.jpg?w=613&#038;h=413&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-10.jpg?w=810&amp;ssl=1 810w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-10.jpg?resize=300%2C202&amp;ssl=1 300w\" width=\"613\" height=\"413\" loading=\"lazy\" data-original-width=\"613\" data-original-height=\"413\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata by Enric Madrenas\" alt=\"Polycera quadrilineata by Enric Madrenas\" style=\"width: 613px; height: 413px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata by Enric Madrenas <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-1\" style=\"width: 283px; height: 417px;\" data-original-width=\"283\" data-original-height=\"417\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-14\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"279\"> <meta itemprop=\"height\" content=\"413\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"4823\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-14.jpg\" data-orig-size=\"412,610\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata by Enric Madrenas\" data-image-description=\"&lt;p&gt;Polycera quadrilineata by Enric Madrenas&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-14.jpg?fit=202%2C300&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-14.jpg?fit=412%2C610&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-14.jpg?w=279&#038;h=413&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-14.jpg?w=412&amp;ssl=1 412w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-14.jpg?resize=202%2C300&amp;ssl=1 202w\" width=\"279\" height=\"413\" loading=\"lazy\" data-original-width=\"279\" data-original-height=\"413\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata by Enric Madrenas\" alt=\"Polycera quadrilineata by Enric Madrenas\" style=\"width: 279px; height: 413px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata by Enric Madrenas <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <div class=\"gallery-row\" style=\"width: 900px; height: 416px;\" data-original-width=\"900\" data-original-height=\"416\" > <div class=\"gallery-group images-1\" style=\"width: 282px; height: 416px;\" data-original-width=\"282\" data-original-height=\"416\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-17\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"278\"> <meta itemprop=\"height\" content=\"412\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"4824\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-17.jpg\" data-orig-size=\"412,610\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata by Enric Madrenas\" data-image-description=\"&lt;p&gt;Polycera quadrilineata by Enric Madrenas&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-17.jpg?fit=202%2C300&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-17.jpg?fit=412%2C610&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-17.jpg?w=278&#038;h=412&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-17.jpg?w=412&amp;ssl=1 412w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-17.jpg?resize=202%2C300&amp;ssl=1 202w\" width=\"278\" height=\"412\" loading=\"lazy\" data-original-width=\"278\" data-original-height=\"412\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata by Enric Madrenas\" alt=\"Polycera quadrilineata by Enric Madrenas\" style=\"width: 278px; height: 412px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata by Enric Madrenas <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-1\" style=\"width: 618px; height: 416px;\" data-original-width=\"618\" data-original-height=\"416\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-18\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"614\"> <meta itemprop=\"height\" content=\"412\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"4825\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-18.jpg\" data-orig-size=\"810,543\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata by Enric Madrenas\" data-image-description=\"&lt;p&gt;Polycera quadrilineata by Enric Madrenas&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-18.jpg?fit=300%2C201&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-18.jpg?fit=810%2C543&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-18.jpg?w=614&#038;h=412&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-18.jpg?w=810&amp;ssl=1 810w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-18.jpg?resize=300%2C201&amp;ssl=1 300w\" width=\"614\" height=\"412\" loading=\"lazy\" data-original-width=\"614\" data-original-height=\"412\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata by Enric Madrenas\" alt=\"Polycera quadrilineata by Enric Madrenas\" style=\"width: 614px; height: 412px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata by Enric Madrenas <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <div class=\"gallery-row\" style=\"width: 900px; height: 317px;\" data-original-width=\"900\" data-original-height=\"317\" > <div class=\"gallery-group images-1\" style=\"width: 215px; height: 317px;\" data-original-width=\"215\" data-original-height=\"317\" > <div class=\"tiled-gallery-item tiled-gallery-item-small\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-22\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"211\"> <meta itemprop=\"height\" content=\"313\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"4826\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-22.jpg\" data-orig-size=\"411,610\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata by Enric Madrenas\" data-image-description=\"&lt;p&gt;Polycera quadrilineata by Enric Madrenas&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-22.jpg?fit=202%2C300&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-22.jpg?fit=411%2C610&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-22.jpg?w=211&#038;h=313&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-22.jpg?w=411&amp;ssl=1 411w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-22.jpg?resize=202%2C300&amp;ssl=1 202w\" width=\"211\" height=\"313\" loading=\"lazy\" data-original-width=\"211\" data-original-height=\"313\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata by Enric Madrenas\" alt=\"Polycera quadrilineata by Enric Madrenas\" style=\"width: 211px; height: 313px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata by Enric Madrenas <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-1\" style=\"width: 470px; height: 317px;\" data-original-width=\"470\" data-original-height=\"317\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-24\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"466\"> <meta itemprop=\"height\" content=\"313\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"4828\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-24.jpg\" data-orig-size=\"810,545\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata by Enric Madrenas\" data-image-description=\"&lt;p&gt;Polycera quadrilineata by Enric Madrenas&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-24.jpg?fit=300%2C201&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-24.jpg?fit=810%2C545&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-24.jpg?w=466&#038;h=313&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-24.jpg?w=810&amp;ssl=1 810w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-24.jpg?resize=300%2C201&amp;ssl=1 300w\" width=\"466\" height=\"313\" loading=\"lazy\" data-original-width=\"466\" data-original-height=\"313\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata by Enric Madrenas\" alt=\"Polycera quadrilineata by Enric Madrenas\" style=\"width: 466px; height: 313px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata by Enric Madrenas <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-1\" style=\"width: 215px; height: 317px;\" data-original-width=\"215\" data-original-height=\"317\" > <div class=\"tiled-gallery-item tiled-gallery-item-small\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-26\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"211\"> <meta itemprop=\"height\" content=\"313\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"4829\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-26.jpg\" data-orig-size=\"411,610\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata by Enric Madrenas\" data-image-description=\"&lt;p&gt;Polycera quadrilineata by Enric Madrenas&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-26.jpg?fit=202%2C300&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-26.jpg?fit=411%2C610&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-26.jpg?w=211&#038;h=313&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-26.jpg?w=411&amp;ssl=1 411w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-26.jpg?resize=202%2C300&amp;ssl=1 202w\" width=\"211\" height=\"313\" loading=\"lazy\" data-original-width=\"211\" data-original-height=\"313\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata by Enric Madrenas\" alt=\"Polycera quadrilineata by Enric Madrenas\" style=\"width: 211px; height: 313px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata by Enric Madrenas <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <div class=\"gallery-row\" style=\"width: 900px; height: 398px;\" data-original-width=\"900\" data-original-height=\"398\" > <div class=\"gallery-group images-1\" style=\"width: 302px; height: 398px;\" data-original-width=\"302\" data-original-height=\"398\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-29\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"298\"> <meta itemprop=\"height\" content=\"394\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"4830\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-29.jpg\" data-orig-size=\"461,610\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata by Enric Madrenas\" data-image-description=\"&lt;p&gt;Polycera quadrilineata by Enric Madrenas&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-29.jpg?fit=226%2C300&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-29.jpg?fit=461%2C610&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-29.jpg?w=298&#038;h=394&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-29.jpg?w=461&amp;ssl=1 461w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/polycera-quadrilineata-29.jpg?resize=226%2C300&amp;ssl=1 226w\" width=\"298\" height=\"394\" loading=\"lazy\" data-original-width=\"298\" data-original-height=\"394\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata by Enric Madrenas\" alt=\"Polycera quadrilineata by Enric Madrenas\" style=\"width: 298px; height: 394px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata by Enric Madrenas <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-2\" style=\"width: 279px; height: 398px;\" data-original-width=\"279\" data-original-height=\"398\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/p1040690firma\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"275\"> <meta itemprop=\"height\" content=\"184\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"13942\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2014\/09\/P1040690firma.jpg\" data-orig-size=\"850,567\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata (Atlantic) en c\u00f3pula, by Carlos Fern\u00e1ndez-Cid\" data-image-description=\"&lt;p&gt;Polycera quadrilineata (Atlantic) en c\u00f3pula, by Carlos Fern\u00e1ndez-Cid. Observar que uno de los ejemplares tiene la parte basal de los rin\u00f3foros negra mientras que el otro la tiene blanca. Parecen variaciones de color entre individuos de la misma especie. &lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2014\/09\/P1040690firma.jpg?fit=300%2C200&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2014\/09\/P1040690firma.jpg?fit=850%2C567&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2014\/09\/P1040690firma.jpg?w=275&#038;h=184&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2014\/09\/P1040690firma.jpg?w=850&amp;ssl=1 850w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2014\/09\/P1040690firma.jpg?resize=150%2C100&amp;ssl=1 150w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2014\/09\/P1040690firma.jpg?resize=300%2C200&amp;ssl=1 300w\" width=\"275\" height=\"184\" loading=\"lazy\" data-original-width=\"275\" data-original-height=\"184\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata (Atlantic) en c\u00f3pula, by Carlos Fern\u00e1ndez-Cid\" alt=\"Polycera quadrilineata (Atlantic) en c\u00f3pula, by Carlos Fern\u00e1ndez-Cid. Observar que uno de los ejemplares tiene la parte basal de los rin\u00f3foros negra mientras que el otro la tiene blanca. Parecen variaciones de color entre individuos de la misma especie.\" style=\"width: 275px; height: 184px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata (Atlantic) <\/div> <\/div> <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-photograph-bernard-picton\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"275\"> <meta itemprop=\"height\" content=\"206\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"16334\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/Polycera-quadrilineata-Photograph-\u00a9Bernard-Picton.jpg\" data-orig-size=\"800,600\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata @ UK by Bernard Picton\" data-image-description=\"&lt;p&gt;Polycera quadrilineata @ UK by Bernard Picton&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/Polycera-quadrilineata-Photograph-%C2%A9Bernard-Picton.jpg?fit=300%2C225&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/Polycera-quadrilineata-Photograph-%C2%A9Bernard-Picton.jpg?fit=800%2C600&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/Polycera-quadrilineata-Photograph-%C2%A9Bernard-Picton.jpg?w=275&#038;h=206&#038;ssl=1\" width=\"275\" height=\"206\" loading=\"lazy\" data-original-width=\"275\" data-original-height=\"206\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata @ UK by Bernard Picton\" alt=\"Polycera quadrilineata @ UK by Bernard Picton\" style=\"width: 275px; height: 206px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata @ UK by Bernard Picton <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-1\" style=\"width: 319px; height: 398px;\" data-original-width=\"319\" data-original-height=\"398\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/radula-de-polycera-quadrilineata-by-luis-sanchez-tocino\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"315\"> <meta itemprop=\"height\" content=\"394\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"17035\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2014\/12\/Radula-de-Polycera-quadrilineata-by-Luis-S\u00e1nchez-Tocino.png\" data-orig-size=\"623,778\" data-comments-opened=\"\" data-image-title=\"Radula de Polycera quadrilineata by Luis S\u00e1nchez-Tocino\" data-image-description=\"&lt;p&gt;Radula de Polycera quadrilineata by Luis S\u00e1nchez-Tocino&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2014\/12\/Radula-de-Polycera-quadrilineata-by-Luis-S%C3%A1nchez-Tocino.png?fit=240%2C300&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2014\/12\/Radula-de-Polycera-quadrilineata-by-Luis-S%C3%A1nchez-Tocino.png?fit=623%2C778&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2014\/12\/Radula-de-Polycera-quadrilineata-by-Luis-S%C3%A1nchez-Tocino.png?w=315&#038;h=394&#038;ssl=1\" width=\"315\" height=\"394\" loading=\"lazy\" data-original-width=\"315\" data-original-height=\"394\" itemprop=\"http:\/\/schema.org\/image\" title=\"Radula de Polycera quadrilineata by Luis S\u00e1nchez-Tocino\" alt=\"Radula de Polycera quadrilineata by Luis S\u00e1nchez-Tocino\" style=\"width: 315px; height: 394px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Radula de Polycera quadrilineata by Luis S\u00e1nchez-Tocino <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <div class=\"gallery-row\" style=\"width: 900px; height: 416px;\" data-original-width=\"900\" data-original-height=\"416\" > <div class=\"gallery-group images-1\" style=\"width: 278px; height: 416px;\" data-original-width=\"278\" data-original-height=\"416\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-portugal-by-joao-pedro-silva-2\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"274\"> <meta itemprop=\"height\" content=\"412\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"17301\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2014\/12\/Polycera-quadrilineata-Portugal-by-Jo\u00e3o-Pedro-Silva-2.jpg\" data-orig-size=\"533,800\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata (Portugal) by Jo\u00e3o Pedro Silva\" data-image-description=\"&lt;p&gt;Polycera quadrilineata (Portugal) by Jo\u00e3o Pedro Silva&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2014\/12\/Polycera-quadrilineata-Portugal-by-Jo%C3%A3o-Pedro-Silva-2.jpg?fit=200%2C300&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2014\/12\/Polycera-quadrilineata-Portugal-by-Jo%C3%A3o-Pedro-Silva-2.jpg?fit=533%2C800&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2014\/12\/Polycera-quadrilineata-Portugal-by-Jo%C3%A3o-Pedro-Silva-2.jpg?w=274&#038;h=412&#038;ssl=1\" width=\"274\" height=\"412\" loading=\"lazy\" data-original-width=\"274\" data-original-height=\"412\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata (Portugal) by Jo\u00e3o Pedro Silva\" alt=\"Polycera quadrilineata (Portugal) by Jo\u00e3o Pedro Silva\" style=\"width: 274px; height: 412px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata (Portugal) by Jo\u00e3o Pedro Silva <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-1\" style=\"width: 622px; height: 416px;\" data-original-width=\"622\" data-original-height=\"416\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-portugal-by-joao-pedro-silva-3\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"618\"> <meta itemprop=\"height\" content=\"412\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"17302\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2014\/12\/Polycera-quadrilineata-Portugal-by-Jo\u00e3o-Pedro-Silva-3.jpg\" data-orig-size=\"800,533\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata (Portugal) by Jo\u00e3o Pedro Silva\" data-image-description=\"&lt;p&gt;Polycera quadrilineata (Portugal) by Jo\u00e3o Pedro Silva&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2014\/12\/Polycera-quadrilineata-Portugal-by-Jo%C3%A3o-Pedro-Silva-3.jpg?fit=300%2C200&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2014\/12\/Polycera-quadrilineata-Portugal-by-Jo%C3%A3o-Pedro-Silva-3.jpg?fit=800%2C533&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2014\/12\/Polycera-quadrilineata-Portugal-by-Jo%C3%A3o-Pedro-Silva-3.jpg?w=618&#038;h=412&#038;ssl=1\" width=\"618\" height=\"412\" loading=\"lazy\" data-original-width=\"618\" data-original-height=\"412\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata (Portugal) by Jo\u00e3o Pedro Silva\" alt=\"Polycera quadrilineata (Portugal) by Jo\u00e3o Pedro Silva\" style=\"width: 618px; height: 412px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata (Portugal) by Jo\u00e3o Pedro Silva <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <div class=\"gallery-row\" style=\"width: 900px; height: 772px;\" data-original-width=\"900\" data-original-height=\"772\" > <div class=\"gallery-group images-1\" style=\"width: 516px; height: 772px;\" data-original-width=\"516\" data-original-height=\"772\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-portugal-by-joao-pedro-silva-4\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"512\"> <meta itemprop=\"height\" content=\"768\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"17303\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2014\/12\/Polycera-quadrilineata-Portugal-by-Jo\u00e3o-Pedro-Silva-4.jpg\" data-orig-size=\"533,800\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata (Portugal) by Jo\u00e3o Pedro Silva\" data-image-description=\"&lt;p&gt;Polycera quadrilineata (Portugal) by Jo\u00e3o Pedro Silva&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2014\/12\/Polycera-quadrilineata-Portugal-by-Jo%C3%A3o-Pedro-Silva-4.jpg?fit=200%2C300&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2014\/12\/Polycera-quadrilineata-Portugal-by-Jo%C3%A3o-Pedro-Silva-4.jpg?fit=533%2C800&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2014\/12\/Polycera-quadrilineata-Portugal-by-Jo%C3%A3o-Pedro-Silva-4.jpg?w=512&#038;h=768&#038;ssl=1\" width=\"512\" height=\"768\" loading=\"lazy\" data-original-width=\"512\" data-original-height=\"768\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata (Portugal) by Jo\u00e3o Pedro Silva\" alt=\"Polycera quadrilineata (Portugal) by Jo\u00e3o Pedro Silva\" style=\"width: 512px; height: 768px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata (Portugal) by Jo\u00e3o Pedro Silva <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-3\" style=\"width: 384px; height: 772px;\" data-original-width=\"384\" data-original-height=\"772\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-portugal-by-joao-pedro-silva\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"380\"> <meta itemprop=\"height\" content=\"253\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"17304\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2014\/12\/Polycera-quadrilineata-Portugal-by-Jo\u00e3o-Pedro-Silva.jpg\" data-orig-size=\"800,533\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata laying eggs @ Portugal by Jo\u00e3o Pedro Silva\" data-image-description=\"&lt;p&gt;Polycera quadrilineata laying eggs @ Portugal by Jo\u00e3o Pedro Silva&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2014\/12\/Polycera-quadrilineata-Portugal-by-Jo%C3%A3o-Pedro-Silva.jpg?fit=300%2C200&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2014\/12\/Polycera-quadrilineata-Portugal-by-Jo%C3%A3o-Pedro-Silva.jpg?fit=800%2C533&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2014\/12\/Polycera-quadrilineata-Portugal-by-Jo%C3%A3o-Pedro-Silva.jpg?w=380&#038;h=253&#038;ssl=1\" width=\"380\" height=\"253\" loading=\"lazy\" data-original-width=\"380\" data-original-height=\"253\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata laying eggs @ Portugal by Jo\u00e3o Pedro Silva\" alt=\"Polycera quadrilineata laying eggs @ Portugal by Jo\u00e3o Pedro Silva\" style=\"width: 380px; height: 253px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata laying eggs @ Portugal by Jo\u00e3o Pedro Silva <\/div> <\/div> <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/th_dsc_5886-polycera-quadrilineata-by-miquel-pontes\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"380\"> <meta itemprop=\"height\" content=\"253\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"17314\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/th_DSC_5886-Polycera-quadrilineata-by-Miquel-Pontes.jpg\" data-orig-size=\"800,533\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata by Miquel Pontes\" data-image-description=\"&lt;p&gt;Polycera quadrilineata by Miquel Pontes&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/th_DSC_5886-Polycera-quadrilineata-by-Miquel-Pontes.jpg?fit=300%2C200&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/th_DSC_5886-Polycera-quadrilineata-by-Miquel-Pontes.jpg?fit=800%2C533&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/th_DSC_5886-Polycera-quadrilineata-by-Miquel-Pontes.jpg?w=380&#038;h=253&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/th_DSC_5886-Polycera-quadrilineata-by-Miquel-Pontes.jpg?w=800&amp;ssl=1 800w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/th_DSC_5886-Polycera-quadrilineata-by-Miquel-Pontes.jpg?resize=150%2C100&amp;ssl=1 150w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/th_DSC_5886-Polycera-quadrilineata-by-Miquel-Pontes.jpg?resize=300%2C200&amp;ssl=1 300w\" width=\"380\" height=\"253\" loading=\"lazy\" data-original-width=\"380\" data-original-height=\"253\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata by Miquel Pontes\" alt=\"Polycera quadrilineata by Miquel Pontes\" style=\"width: 380px; height: 253px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata by Miquel Pontes <\/div> <\/div> <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-galicia-by-carlos-fernandez-cid\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"380\"> <meta itemprop=\"height\" content=\"254\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"18616\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/Polycera-quadrilineata-Galicia-by-Carlos-Fern\u00e1ndez-Cid.jpg\" data-orig-size=\"1724,1150\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata (Galicia) by Carlos Fern\u00e1ndez-Cid\" data-image-description=\"&lt;p&gt;Polycera quadrilineata (Galicia) by Carlos Fern\u00e1ndez-Cid&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/Polycera-quadrilineata-Galicia-by-Carlos-Fern%C3%A1ndez-Cid.jpg?fit=300%2C200&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/Polycera-quadrilineata-Galicia-by-Carlos-Fern%C3%A1ndez-Cid.jpg?fit=900%2C600&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/Polycera-quadrilineata-Galicia-by-Carlos-Fern%C3%A1ndez-Cid.jpg?w=380&#038;h=254&#038;ssl=1\" width=\"380\" height=\"254\" loading=\"lazy\" data-original-width=\"380\" data-original-height=\"254\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata (Galicia) by Carlos Fern\u00e1ndez-Cid\" alt=\"Polycera quadrilineata (Galicia) by Carlos Fern\u00e1ndez-Cid\" style=\"width: 380px; height: 254px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata (Galicia) by Carlos Fern\u00e1ndez-Cid <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <div class=\"gallery-row\" style=\"width: 900px; height: 433px;\" data-original-width=\"900\" data-original-height=\"433\" > <div class=\"gallery-group images-1\" style=\"width: 576px; height: 433px;\" data-original-width=\"576\" data-original-height=\"433\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/dsc06655\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"572\"> <meta itemprop=\"height\" content=\"429\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"19493\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2015\/05\/DSC06655.jpg\" data-orig-size=\"800,600\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata (white form) @ Mallorca by Lenka Juskani\u010dov\u00e1\" data-image-description=\"&lt;p&gt;Polycera quadrilineata (white form) @ Mallorca by Lenka Juskani\u010dov\u00e1&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2015\/05\/DSC06655.jpg?fit=300%2C225&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2015\/05\/DSC06655.jpg?fit=800%2C600&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2015\/05\/DSC06655.jpg?w=572&#038;h=429&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2015\/05\/DSC06655.jpg?w=800&amp;ssl=1 800w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2015\/05\/DSC06655.jpg?resize=150%2C113&amp;ssl=1 150w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2015\/05\/DSC06655.jpg?resize=300%2C225&amp;ssl=1 300w\" width=\"572\" height=\"429\" loading=\"lazy\" data-original-width=\"572\" data-original-height=\"429\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata (white form) @ Mallorca by Lenka Juskani\u010dov\u00e1\" alt=\"Polycera quadrilineata (white form) @ Mallorca by Lenka Juskani\u010dov\u00e1\" style=\"width: 572px; height: 429px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata (white form) @ Mallorca by Lenka Juskani\u010dov\u00e1 <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-2\" style=\"width: 324px; height: 433px;\" data-original-width=\"324\" data-original-height=\"433\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-norway-by-manuel-malaquias\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"320\"> <meta itemprop=\"height\" content=\"186\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"21460\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/Polycera-quadrilineata-@-Norway-by-Manuel-Malaqu\u00edas.jpg\" data-orig-size=\"2656,1544\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata @ Norway by Manuel Malaqu\u00edas\" data-image-description=\"&lt;p&gt;Polycera quadrilineata @ Norway by Manuel Malaqu\u00edas&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/Polycera-quadrilineata-%40-Norway-by-Manuel-Malaqu%C3%ADas.jpg?fit=300%2C174&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/Polycera-quadrilineata-%40-Norway-by-Manuel-Malaqu%C3%ADas.jpg?fit=900%2C523&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/Polycera-quadrilineata-%40-Norway-by-Manuel-Malaqu%C3%ADas.jpg?w=320&#038;h=186&#038;ssl=1\" width=\"320\" height=\"186\" loading=\"lazy\" data-original-width=\"320\" data-original-height=\"186\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata @ Norway by Manuel Malaqu\u00edas\" alt=\"Polycera quadrilineata @ Norway by Manuel Malaqu\u00edas\" style=\"width: 320px; height: 186px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata @ Norway by Manuel Malaqu\u00edas <\/div> <\/div> <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/olympus-digital-camera-100\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"320\"> <meta itemprop=\"height\" content=\"239\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"23413\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/Polycera-quadrilineata-@-Zierikzee-Netherlands-10-01-17-by-Stefan-Verhayen.jpg\" data-orig-size=\"4267,3200\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata @ Zierikzee, Netherlands 10-01-2017 by Stefan Verheyen\" data-image-description=\"&lt;p&gt;Polycera quadrilineata @ Zierikzee, Netherlands 10-01-2017 by Stefan Verheyen&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/Polycera-quadrilineata-%40-Zierikzee-Netherlands-10-01-17-by-Stefan-Verhayen.jpg?fit=300%2C225&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/Polycera-quadrilineata-%40-Zierikzee-Netherlands-10-01-17-by-Stefan-Verhayen.jpg?fit=900%2C675&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/Polycera-quadrilineata-%40-Zierikzee-Netherlands-10-01-17-by-Stefan-Verhayen.jpg?w=320&#038;h=239&#038;ssl=1\" width=\"320\" height=\"239\" loading=\"lazy\" data-original-width=\"320\" data-original-height=\"239\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata @ Zierikzee, Netherlands 10-01-2017 by Stefan Verheyen\" alt=\"Polycera quadrilineata @ Zierikzee, Netherlands 10-01-2017 by Stefan Verhayen\" style=\"width: 320px; height: 239px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata @ Zierikzee, Netherlands 10-01-2017 by Stefan Verheyen <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <div class=\"gallery-row\" style=\"width: 900px; height: 226px;\" data-original-width=\"900\" data-original-height=\"226\" > <div class=\"gallery-group images-1\" style=\"width: 300px; height: 226px;\" data-original-width=\"300\" data-original-height=\"226\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-sint-annaland-netherlands-3-11-16-by-stefan-verhayen\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"296\"> <meta itemprop=\"height\" content=\"222\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"23415\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/Polycera-quadrilineata-@-Sint-Annaland-Netherlands-3-11-16-by-Stefan-Verhayen.jpg\" data-orig-size=\"960,720\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata @ Sint Annaland, Netherlands 3-11-2016 by Stefan Verheyen\" data-image-description=\"&lt;p&gt;Polycera quadrilineata @ Sint Annaland, Netherlands 3-11-2016 by Stefan Verheyen&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/Polycera-quadrilineata-%40-Sint-Annaland-Netherlands-3-11-16-by-Stefan-Verhayen.jpg?fit=300%2C225&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/Polycera-quadrilineata-%40-Sint-Annaland-Netherlands-3-11-16-by-Stefan-Verhayen.jpg?fit=900%2C675&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/05\/Polycera-quadrilineata-%40-Sint-Annaland-Netherlands-3-11-16-by-Stefan-Verhayen.jpg?w=296&#038;h=222&#038;ssl=1\" width=\"296\" height=\"222\" loading=\"lazy\" data-original-width=\"296\" data-original-height=\"222\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata @ Sint Annaland, Netherlands 3-11-2016 by Stefan Verheyen\" alt=\"Polycera quadrilineata @ Sint Annaland, Netherlands 3-11-2016 by Stefan Verhayen\" style=\"width: 296px; height: 222px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata @ Sint Annaland, Netherlands 3-11-2016 by Stefan Verheyen <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-1\" style=\"width: 300px; height: 226px;\" data-original-width=\"300\" data-original-height=\"226\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/olympus-digital-camera-196\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"296\"> <meta itemprop=\"height\" content=\"222\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"24304\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-@-La-Herradura-Granada-Spain-11-04-2017-by-Stefan-Verheyen.jpg\" data-orig-size=\"1024,768\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata @ La Herradura, Granada, Spain 11-04-2017 by Stefan Verheyen\" data-image-description=\"&lt;p&gt;Polycera quadrilineata @ La Herradura, Granada, Spain 11-04-2017 by Stefan Verheyen&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-%40-La-Herradura-Granada-Spain-11-04-2017-by-Stefan-Verheyen.jpg?fit=300%2C225&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-%40-La-Herradura-Granada-Spain-11-04-2017-by-Stefan-Verheyen.jpg?fit=900%2C675&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-%40-La-Herradura-Granada-Spain-11-04-2017-by-Stefan-Verheyen.jpg?w=296&#038;h=222&#038;ssl=1\" width=\"296\" height=\"222\" loading=\"lazy\" data-original-width=\"296\" data-original-height=\"222\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata @ La Herradura, Granada, Spain 11-04-2017 by Stefan Verheyen\" alt=\"Polycera quadrilineata @ La Herradura, Granada, Spain 11-04-2017 by Stefan Verheyen\" style=\"width: 296px; height: 222px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata @ La Herradura, Granada, Spain 11-04-2017 by Stefan Verheyen <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-1\" style=\"width: 300px; height: 226px;\" data-original-width=\"300\" data-original-height=\"226\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/olympus-digital-camera-197\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"296\"> <meta itemprop=\"height\" content=\"222\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"24305\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-@-Netherlands-1-09-2017-by-Stefan-Verheyen.jpg\" data-orig-size=\"1024,768\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata @ Netherlands 1-09-2017 by Stefan Verheyen\" data-image-description=\"&lt;p&gt;Polycera quadrilineata @ Netherlands 1-09-2017 by Stefan Verheyen&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-%40-Netherlands-1-09-2017-by-Stefan-Verheyen.jpg?fit=300%2C225&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-%40-Netherlands-1-09-2017-by-Stefan-Verheyen.jpg?fit=900%2C675&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-%40-Netherlands-1-09-2017-by-Stefan-Verheyen.jpg?w=296&#038;h=222&#038;ssl=1\" width=\"296\" height=\"222\" loading=\"lazy\" data-original-width=\"296\" data-original-height=\"222\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata @ Netherlands 1-09-2017 by Stefan Verheyen\" alt=\"Polycera quadrilineata @ Netherlands 1-09-2017 by Stefan Verheyen\" style=\"width: 296px; height: 222px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata @ Netherlands 1-09-2017 by Stefan Verheyen <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <div class=\"gallery-row\" style=\"width: 900px; height: 451px;\" data-original-width=\"900\" data-original-height=\"451\" > <div class=\"gallery-group images-2\" style=\"width: 300px; height: 451px;\" data-original-width=\"300\" data-original-height=\"451\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/olympus-digital-camera-198\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"296\"> <meta itemprop=\"height\" content=\"222\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"24306\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-@-Netherlands-8-06-2017-by-Stefan-Verheyen.jpg\" data-orig-size=\"1024,768\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata @ Netherlands 8-06-2017 by Stefan Verheyen\" data-image-description=\"&lt;p&gt;Polycera quadrilineata @ Netherlands 8-06-2017 by Stefan Verheyen&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-%40-Netherlands-8-06-2017-by-Stefan-Verheyen.jpg?fit=300%2C225&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-%40-Netherlands-8-06-2017-by-Stefan-Verheyen.jpg?fit=900%2C675&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-%40-Netherlands-8-06-2017-by-Stefan-Verheyen.jpg?w=296&#038;h=222&#038;ssl=1\" width=\"296\" height=\"222\" loading=\"lazy\" data-original-width=\"296\" data-original-height=\"222\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata @ Netherlands 8-06-2017 by Stefan Verheyen\" alt=\"Polycera quadrilineata @ Netherlands 8-06-2017 by Stefan Verheyen\" style=\"width: 296px; height: 222px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata @ Netherlands 8-06-2017 by Stefan Verheyen <\/div> <\/div> <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/olympus-digital-camera-199\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"296\"> <meta itemprop=\"height\" content=\"221\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"24307\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-with-extra-rhinophores-@-Netherlands-7-03-2017-by-Stefan-Verheyen.jpg\" data-orig-size=\"1024,768\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata with extra rhinophores @ Netherlands 7-03-2017 by Stefan Verheyen\" data-image-description=\"&lt;p&gt;Polycera quadrilineata with extra rhinophores @ Netherlands 7-03-2017 by Stefan Verheyen&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-with-extra-rhinophores-%40-Netherlands-7-03-2017-by-Stefan-Verheyen.jpg?fit=300%2C225&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-with-extra-rhinophores-%40-Netherlands-7-03-2017-by-Stefan-Verheyen.jpg?fit=900%2C675&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-with-extra-rhinophores-%40-Netherlands-7-03-2017-by-Stefan-Verheyen.jpg?w=296&#038;h=221&#038;ssl=1\" width=\"296\" height=\"221\" loading=\"lazy\" data-original-width=\"296\" data-original-height=\"221\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata with extra rhinophores @ Netherlands 7-03-2017 by Stefan Verheyen\" alt=\"Polycera quadrilineata with extra rhinophores @ Netherlands 7-03-2017 by Stefan Verheyen\" style=\"width: 296px; height: 221px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata with extra rhinophores @ Netherlands 7-03-2017 by Stefan Verheyen <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-1\" style=\"width: 600px; height: 451px;\" data-original-width=\"600\" data-original-height=\"451\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-with-spawn-netherlands-6-03-2017-by-stefan-verheyen\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"596\"> <meta itemprop=\"height\" content=\"447\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"24308\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-with-spawn-@-Netherlands-6-03-2017-by-Stefan-Verheyen.jpg\" data-orig-size=\"1024,768\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata with spawn @ Netherlands 6-03-2017 by Stefan Verheyen\" data-image-description=\"&lt;p&gt;Polycera quadrilineata with spawn @ Netherlands 6-03-2017 by Stefan Verheyen&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-with-spawn-%40-Netherlands-6-03-2017-by-Stefan-Verheyen.jpg?fit=300%2C225&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-with-spawn-%40-Netherlands-6-03-2017-by-Stefan-Verheyen.jpg?fit=900%2C675&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-with-spawn-%40-Netherlands-6-03-2017-by-Stefan-Verheyen.jpg?w=596&#038;h=447&#038;ssl=1\" width=\"596\" height=\"447\" loading=\"lazy\" data-original-width=\"596\" data-original-height=\"447\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata with spawn @ Netherlands 6-03-2017 by Stefan Verheyen\" alt=\"Polycera quadrilineata with spawn @ Netherlands 6-03-2017 by Stefan Verheyen\" style=\"width: 596px; height: 447px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata with spawn @ Netherlands 6-03-2017 by Stefan Verheyen <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <div class=\"gallery-row\" style=\"width: 900px; height: 342px;\" data-original-width=\"900\" data-original-height=\"342\" > <div class=\"gallery-group images-1\" style=\"width: 445px; height: 342px;\" data-original-width=\"445\" data-original-height=\"342\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/olympus-digital-camera-200\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"441\"> <meta itemprop=\"height\" content=\"338\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"24309\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-with-spawn-@-Netherlands-17-05-2017-by-Stefan-Verheyen.jpg\" data-orig-size=\"1024,785\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata with spawn @ Netherlands 17-05-2017 by Stefan Verheyen\" data-image-description=\"&lt;p&gt;Polycera quadrilineata with spawn @ Netherlands 17-05-2017 by Stefan Verheyen&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-with-spawn-%40-Netherlands-17-05-2017-by-Stefan-Verheyen.jpg?fit=300%2C230&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-with-spawn-%40-Netherlands-17-05-2017-by-Stefan-Verheyen.jpg?fit=900%2C690&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2017\/12\/Polycera-quadrilineata-with-spawn-%40-Netherlands-17-05-2017-by-Stefan-Verheyen.jpg?w=441&#038;h=338&#038;ssl=1\" width=\"441\" height=\"338\" loading=\"lazy\" data-original-width=\"441\" data-original-height=\"338\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata with spawn @ Netherlands 17-05-2017 by Stefan Verheyen\" alt=\"Polycera quadrilineata with spawn @ Netherlands 17-05-2017 by Stefan Verheyen\" style=\"width: 441px; height: 338px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata with spawn @ Netherlands 17-05-2017 by Stefan Verheyen <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-1\" style=\"width: 455px; height: 342px;\" data-original-width=\"455\" data-original-height=\"342\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/olympus-digital-camera-224\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"451\"> <meta itemprop=\"height\" content=\"338\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"27962\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2019\/01\/Polycera-quadrilineata-@-Netherlands-8-11-2018-by-Stefan-Verheyen.jpg\" data-orig-size=\"4413,3310\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata @ Netherlands 8-11-2018 by Stefan Verheyen\" data-image-description=\"&lt;p&gt;Polycera quadrilineata @ Netherlands 8-11-2018 by Stefan Verheyen&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2019\/01\/Polycera-quadrilineata-%40-Netherlands-8-11-2018-by-Stefan-Verheyen.jpg?fit=300%2C225&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2019\/01\/Polycera-quadrilineata-%40-Netherlands-8-11-2018-by-Stefan-Verheyen.jpg?fit=900%2C675&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2019\/01\/Polycera-quadrilineata-%40-Netherlands-8-11-2018-by-Stefan-Verheyen.jpg?w=451&#038;h=338&#038;ssl=1\" width=\"451\" height=\"338\" loading=\"lazy\" data-original-width=\"451\" data-original-height=\"338\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata @ Netherlands 8-11-2018 by Stefan Verheyen\" alt=\"Polycera quadrilineata @ Netherlands 8-11-2018 by Stefan Verheyen\" style=\"width: 451px; height: 338px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata @ Netherlands 8-11-2018 by Stefan Verheyen <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <div class=\"gallery-row\" style=\"width: 900px; height: 521px;\" data-original-width=\"900\" data-original-height=\"521\" > <div class=\"gallery-group images-1\" style=\"width: 603px; height: 521px;\" data-original-width=\"603\" data-original-height=\"521\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-ponton-de-la-bordelaise-bassin-de-thau-by-pascal-girard\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"599\"> <meta itemprop=\"height\" content=\"517\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"31592\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2021\/02\/Polycera-quadrilineata-@-Ponton-De-La-Bordelaise-Bassin-De-Thau-by-Pascal-Girard.jpg\" data-orig-size=\"2048,1767\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata @ Ponton De La Bordelaise, Bassin De Thau by Pascal Girard\" data-image-description=\"&lt;p&gt;Polycera quadrilineata @ Ponton De La Bordelaise, Bassin De Thau by Pascal Girard&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2021\/02\/Polycera-quadrilineata-%40-Ponton-De-La-Bordelaise-Bassin-De-Thau-by-Pascal-Girard.jpg?fit=300%2C259&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2021\/02\/Polycera-quadrilineata-%40-Ponton-De-La-Bordelaise-Bassin-De-Thau-by-Pascal-Girard.jpg?fit=900%2C777&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2021\/02\/Polycera-quadrilineata-%40-Ponton-De-La-Bordelaise-Bassin-De-Thau-by-Pascal-Girard.jpg?w=599&#038;h=517&#038;ssl=1\" width=\"599\" height=\"517\" loading=\"lazy\" data-original-width=\"599\" data-original-height=\"517\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata @ Ponton De La Bordelaise, Bassin De Thau by Pascal Girard\" alt=\"Polycera quadrilineata @ Ponton De La Bordelaise, Bassin De Thau by Pascal Girard\" style=\"width: 599px; height: 517px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata @ Ponton De La Bordelaise, Bassin De Thau by Pascal Girard <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-2\" style=\"width: 297px; height: 521px;\" data-original-width=\"297\" data-original-height=\"521\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-by-nani-diez-img_20201216_085329_557\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"293\"> <meta itemprop=\"height\" content=\"293\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"31964\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2021\/03\/Polycera-quadrilineata-by-Nani-Diez-IMG_20201216_085329_557.jpg\" data-orig-size=\"1280,1280\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata by Nani D\u00edez\" data-image-description=\"&lt;p&gt;Polycera quadrilineata by Nani D\u00edez &lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2021\/03\/Polycera-quadrilineata-by-Nani-Diez-IMG_20201216_085329_557.jpg?fit=300%2C300&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2021\/03\/Polycera-quadrilineata-by-Nani-Diez-IMG_20201216_085329_557.jpg?fit=900%2C900&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2021\/03\/Polycera-quadrilineata-by-Nani-Diez-IMG_20201216_085329_557.jpg?w=293&#038;h=293&#038;crop=1&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2021\/03\/Polycera-quadrilineata-by-Nani-Diez-IMG_20201216_085329_557.jpg?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2021\/03\/Polycera-quadrilineata-by-Nani-Diez-IMG_20201216_085329_557.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2021\/03\/Polycera-quadrilineata-by-Nani-Diez-IMG_20201216_085329_557.jpg?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2021\/03\/Polycera-quadrilineata-by-Nani-Diez-IMG_20201216_085329_557.jpg?resize=150%2C150&amp;ssl=1 150w\" width=\"293\" height=\"293\" loading=\"lazy\" data-original-width=\"293\" data-original-height=\"293\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata by Nani D\u00edez\" alt=\"Polycera quadrilineata by Nani D\u00edez\" style=\"width: 293px; height: 293px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata by Nani D\u00edez <\/div> <\/div> <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-kernowensis-france-by-pascal-girard-png\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"293\"> <meta itemprop=\"height\" content=\"220\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"36197\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2022\/12\/Polycera-quadrilineata-kernowensis-@-France-by-Pascal-Girard.png.jpg\" data-orig-size=\"914,686\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata @ France by Pascal Girard\" data-image-description=\"&lt;p&gt;Polycera quadrilineata @ France by Pascal Girard&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2022\/12\/Polycera-quadrilineata-kernowensis-%40-France-by-Pascal-Girard.png.jpg?fit=300%2C225&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2022\/12\/Polycera-quadrilineata-kernowensis-%40-France-by-Pascal-Girard.png.jpg?fit=900%2C675&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2022\/12\/Polycera-quadrilineata-kernowensis-%40-France-by-Pascal-Girard.png.jpg?w=293&#038;h=220&#038;ssl=1\" width=\"293\" height=\"220\" loading=\"lazy\" data-original-width=\"293\" data-original-height=\"220\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata @ France by Pascal Girard\" alt=\"Polycera quadrilineata @ France by Pascal Girard\" style=\"width: 293px; height: 220px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata @ France by Pascal Girard <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <div class=\"gallery-row\" style=\"width: 900px; height: 319px;\" data-original-width=\"900\" data-original-height=\"319\" > <div class=\"gallery-group images-1\" style=\"width: 424px; height: 319px;\" data-original-width=\"424\" data-original-height=\"319\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-kernowensis-mating-france-by-pascal-girard\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"420\"> <meta itemprop=\"height\" content=\"315\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"36198\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2022\/12\/Polycera-quadrilineata-kernowensis-mating-@-France-by-Pascal-Girard.jpg\" data-orig-size=\"1280,960\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata mating @ France by Pascal Girard\" data-image-description=\"&lt;p&gt;Polycera quadrilineata mating @ France by Pascal Girard&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2022\/12\/Polycera-quadrilineata-kernowensis-mating-%40-France-by-Pascal-Girard.jpg?fit=300%2C225&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2022\/12\/Polycera-quadrilineata-kernowensis-mating-%40-France-by-Pascal-Girard.jpg?fit=900%2C675&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2022\/12\/Polycera-quadrilineata-kernowensis-mating-%40-France-by-Pascal-Girard.jpg?w=420&#038;h=315&#038;ssl=1\" width=\"420\" height=\"315\" loading=\"lazy\" data-original-width=\"420\" data-original-height=\"315\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata mating @ France by Pascal Girard\" alt=\"Polycera quadrilineata mating @ France by Pascal Girard\" style=\"width: 420px; height: 315px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata mating @ France by Pascal Girard <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-1\" style=\"width: 476px; height: 319px;\" data-original-width=\"476\" data-original-height=\"319\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-by-miquel-pontes-mpg_4678\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"472\"> <meta itemprop=\"height\" content=\"315\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"36694\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_4678.jpg\" data-orig-size=\"1200,800\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata @ Costa Brava, Spain by Miquel Pontes\" data-image-description=\"&lt;p&gt;Polycera quadrilineata @ Costa Brava, Spain by Miquel Pontes&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_4678.jpg?fit=300%2C200&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_4678.jpg?fit=900%2C600&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_4678.jpg?w=472&#038;h=315&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_4678.jpg?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_4678.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_4678.jpg?resize=1024%2C683&amp;ssl=1 1024w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_4678.jpg?resize=150%2C100&amp;ssl=1 150w\" width=\"472\" height=\"315\" loading=\"lazy\" data-original-width=\"472\" data-original-height=\"315\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata @ Costa Brava, Spain by Miquel Pontes\" alt=\"Polycera quadrilineata @ Costa Brava, Spain by Miquel Pontes\" style=\"width: 472px; height: 315px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata @ Costa Brava, Spain by Miquel Pontes <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <div class=\"gallery-row\" style=\"width: 900px; height: 644px;\" data-original-width=\"900\" data-original-height=\"644\" > <div class=\"gallery-group images-3\" style=\"width: 320px; height: 644px;\" data-original-width=\"320\" data-original-height=\"644\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-by-miquel-pontes-mpg_5270\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"316\"> <meta itemprop=\"height\" content=\"211\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"36695\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_5270.jpg\" data-orig-size=\"1200,800\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata @ Costa Brava, Spain by Miquel Pontes\" data-image-description=\"&lt;p&gt;Polycera quadrilineata @ Costa Brava, Spain by Miquel Pontes&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_5270.jpg?fit=300%2C200&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_5270.jpg?fit=900%2C600&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_5270.jpg?w=316&#038;h=211&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_5270.jpg?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_5270.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_5270.jpg?resize=1024%2C683&amp;ssl=1 1024w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_5270.jpg?resize=150%2C100&amp;ssl=1 150w\" width=\"316\" height=\"211\" loading=\"lazy\" data-original-width=\"316\" data-original-height=\"211\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata @ Costa Brava, Spain by Miquel Pontes\" alt=\"Polycera quadrilineata @ Costa Brava, Spain by Miquel Pontes\" style=\"width: 316px; height: 211px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata @ Costa Brava, Spain by Miquel Pontes <\/div> <\/div> <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-by-miquel-pontes-mpg_8814\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"316\"> <meta itemprop=\"height\" content=\"211\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"36696\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_8814.jpg\" data-orig-size=\"1200,800\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata with egg spawn @ Costa Brava, Spain by Miquel Pontes\" data-image-description=\"&lt;p&gt;Polycera quadrilineata with egg spawn @ Costa Brava, Spain by Miquel Pontes&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_8814.jpg?fit=300%2C200&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_8814.jpg?fit=900%2C600&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_8814.jpg?w=316&#038;h=211&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_8814.jpg?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_8814.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_8814.jpg?resize=1024%2C683&amp;ssl=1 1024w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-MPG_8814.jpg?resize=150%2C100&amp;ssl=1 150w\" width=\"316\" height=\"211\" loading=\"lazy\" data-original-width=\"316\" data-original-height=\"211\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata with egg spawn @ Costa Brava, Spain by Miquel Pontes\" alt=\"Polycera quadrilineata with egg spawn @ Costa Brava, Spain by Miquel Pontes\" style=\"width: 316px; height: 211px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata with egg spawn @ Costa Brava, Spain by Miquel Pontes <\/div> <\/div> <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-by-miquel-pontes-dsc_2380\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"316\"> <meta itemprop=\"height\" content=\"210\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"36697\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-DSC_2380.jpg\" data-orig-size=\"1200,800\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata @ Costa Brava, Spain by Miquel Pontes\" data-image-description=\"&lt;p&gt;Polycera quadrilineata @ Costa Brava, Spain by Miquel Pontes&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-DSC_2380.jpg?fit=300%2C200&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-DSC_2380.jpg?fit=900%2C600&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-DSC_2380.jpg?w=316&#038;h=210&#038;ssl=1\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-DSC_2380.jpg?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-DSC_2380.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-DSC_2380.jpg?resize=1024%2C683&amp;ssl=1 1024w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-by-Miquel-Pontes-DSC_2380.jpg?resize=150%2C100&amp;ssl=1 150w\" width=\"316\" height=\"210\" loading=\"lazy\" data-original-width=\"316\" data-original-height=\"210\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata @ Costa Brava, Spain by Miquel Pontes\" alt=\"Polycera quadrilineata @ Costa Brava, Spain by Miquel Pontes\" style=\"width: 316px; height: 210px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata @ Costa Brava, Spain by Miquel Pontes <\/div> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-1\" style=\"width: 580px; height: 644px;\" data-original-width=\"580\" data-original-height=\"644\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/polycera-quadrilineata-granada-por-luis-sanchez-tocino\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"576\"> <meta itemprop=\"height\" content=\"640\"> <img decoding=\"async\" class=\"\" data-attachment-id=\"36824\" data-orig-file=\"https:\/\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-@-Granada-por-Luis-Sanchez-Tocino.jpg\" data-orig-size=\"1440,1600\" data-comments-opened=\"\" data-image-title=\"Polycera quadrilineata @ Granada por Luis S\u00e1nchez Tocino\" data-image-description=\"&lt;p&gt;Polycera quadrilineata @ Granada por Luis S\u00e1nchez Tocino&lt;\/p&gt; \" data-medium-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-%40-Granada-por-Luis-Sanchez-Tocino.jpg?fit=270%2C300&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-%40-Granada-por-Luis-Sanchez-Tocino.jpg?fit=900%2C1000&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2023\/01\/Polycera-quadrilineata-%40-Granada-por-Luis-Sanchez-Tocino.jpg?w=576&#038;h=640&#038;ssl=1\" width=\"576\" height=\"640\" loading=\"lazy\" data-original-width=\"576\" data-original-height=\"640\" itemprop=\"http:\/\/schema.org\/image\" title=\"Polycera quadrilineata @ Granada por Luis S\u00e1nchez Tocino\" alt=\"Polycera quadrilineata @ Granada por Luis S\u00e1nchez Tocino\" style=\"width: 576px; height: 640px;\" \/> <\/a> <div class=\"tiled-gallery-caption\" itemprop=\"caption description\"> Polycera quadrilineata @ Granada por Luis S\u00e1nchez Tocino <\/div> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <\/div><\/p>\n<p><strong>Bibliograf\u00eda<\/strong><\/p><ul><div id=\"zotpress-f6d57c739dad7e2251086325bbc5e2aa\" class=\"zp-Zotpress zp-Zotpress-Bib wp-block-group\">\n\n\t\t<span class=\"ZP_API_USER_ID ZP_ATTR\">1246567<\/span>\n\t\t<span class=\"ZP_ITEM_KEY ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_COLLECTION_ID ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_TAG_ID ZP_ATTR\">Polycera quadrilineata<\/span>\n\t\t<span class=\"ZP_AUTHOR ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_YEAR ZP_ATTR\"><\/span>\n        <span class=\"ZP_ITEMTYPE ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_INCLUSIVE ZP_ATTR\">1<\/span>\n\t\t<span class=\"ZP_STYLE ZP_ATTR\">eunomia-revista-en-cultura-de-la-legalidad<\/span>\n\t\t<span class=\"ZP_LIMIT ZP_ATTR\">50<\/span>\n\t\t<span class=\"ZP_SORTBY ZP_ATTR\">creator<\/span>\n\t\t<span class=\"ZP_ORDER ZP_ATTR\">asc<\/span>\n\t\t<span class=\"ZP_TITLE ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_SHOWIMAGE ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_SHOWTAGS ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_DOWNLOADABLE ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_NOTES ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_ABSTRACT ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_CITEABLE ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_TARGET ZP_ATTR\">1<\/span>\n\t\t<span class=\"ZP_URLWRAP ZP_ATTR\"><\/span>\n\t\t<span class=\"ZP_FORCENUM ZP_ATTR\"><\/span>\n        <span class=\"ZP_HIGHLIGHT ZP_ATTR\"><\/span>\n        <span class=\"ZP_POSTID ZP_ATTR\">420<\/span>\n\t\t<span class=\"ZOTPRESS_PLUGIN_URL ZP_ATTR\">https:\/\/opistobranquis.info\/wp-content\/plugins\/zotpress\/<\/span>\n\n\t\t<div class=\"zp-List loading\">\n\t\t\t<div class=\"zp-SEO-Content\">\n\n\t\t\t<\/div><!-- .zp-zp-SEO-Content -->\n\t\t<\/div><!-- .zp-List -->\n\t<\/div><!--.zp-Zotpress-->\n\n<p><\/p>Bibliograf\u00eda basada en los trabajos de <b>Steve Long, 2006<\/b>. <a target=_blank href=https:\/\/opistobranquis.info\/wp-content\/uploads\/2016\/06\/Long-S.-2006-Bibliography-of-Opisthobranchia-1554-2000.pdf>Bibliography of Opisthobranchia 1554-2000<\/a> y <b>Gary McDonald, 2009<\/b>. <a href=http:\/\/escholarship.org\/uc\/item\/8115h0wz>Bibliographia Nudibranchia<\/a>, con actualizaciones posteriores procedentes de otras fuentes.<p><\/p><\/ul><p><\/p><p><strong>M\u00e1s informaci\u00f3n<\/strong><\/p><span style=\"font-size:10pt\"><ul><ul class=\"blogroll-links\"><li><a href=\"http:\/\/www.asturnatura.com\/especie\/polycera-quadrilineata.html\">AsturNatura<\/a><\/li><li><a href=\"http:\/\/www.biodiversitylibrary.org\/name\/Polycera%20quadrilineata\">Biodiversity Heritage Library<\/a><\/li><li><a href=\"http:\/\/www.biologiamarina.org\/wp\/policera-quadrilineata\/\">BiologiaMarina.org<\/a><\/li><li><a href=\"http:\/\/www.cibsub.com\/bioespecie_es-polycera_quadrilineata-27910\">CIB - Club Immersio Biologia<\/a><\/li><li><a href=\"http:\/\/doris.ffessm.fr\/fiche2.asp?fiche_numero=796\">DORIS<\/a><\/li><li><a href=\"https:\/\/litoraldegranada.ugr.es\/el-litoral\/el-litoral-sumergido\/fauna\/moluscos\/gasteropodos\/opistobranquios\/orden-nudibranchia\/doridaceos\/polyceroidea\/polycera-quadrilineata\/\">El Litoral de Granada<\/a><\/li><li><a href=\"http:\/\/www.habitas.org.uk\/marinelife\/species.asp?item=W13630#\">Encyclopedia of Marine Life of Britain and Ireland<\/a><\/li><li><a href=\"http:\/\/nature22.com\/estran22\/mollusques\/gasteropodesbis\/gasteropodes5.html\">Estran 22 - Faune et flore de la zone de balancement des mar\u00e9es en C\u00f4tes d&#039;Armor<\/a><\/li><li><a href=\"https:\/\/www.flickr.com\/photos\/56388191@N08\/sets\/72177720297653536\/\">European Sea Slugs by Morddyn<\/a><\/li><li><a href=\"https:\/\/www.flickr.com\/search\/?text=Polycera%20quadrilineata\">Flickr pictures<\/a><\/li><li><a href=\"http:\/\/www.opistobranquis.org\/ca\/guia\/107\">GROC<\/a><\/li><li><a href=\"http:\/\/www.irmng.org\/aphia.php?p=taxlist&#038;tName=Polycera%20quadrilineata\">Interim Register of Marine and Nonmarine Genera<\/a><\/li><li><a href=\"http:\/\/www.ncbi.nlm.nih.gov\/Taxonomy\/Browser\/wwwtax.cgi?mode=Undef&#038;name=Polycera%20quadrilineata&#038;lvl=0&#038;srchmode=1\">NCBI GenBank<\/a><\/li><li><a href=\"http:\/\/iobis.org\/mapper\/?taxon=Polycera%20quadrilineata\">OBIS - Search by Taxon<\/a><\/li><li><a href=\"http:\/\/www.nudibranch.org\/Scottish%20Nudibranchs\/polycera-quadrilineata.html\">Scottish Nudibranchs<\/a><\/li><li><a href=\"http:\/\/www.seaslugforum.net\/showall\/polyquad\">Sea Slug Forum<\/a><\/li><li><a href=\"http:\/\/www.conchsoc.net\/spaccount\/Polycera-quadrilineata\">The Conchological Society of Great Britain and Ireland<\/a><\/li><li><a href=\"http:\/\/slugsite.us\/bow\/wirtz98\/p_5_3.htm\">The SlugSite<\/a><\/li><li><a href=\"http:\/\/slugsite.us\/bow\/wirtz98\/p_5_4.htm\">The SlugSite<\/a><\/li><li><a href=\"http:\/\/www.marinespecies.org\/aphia.php?p=taxdetails&#038;id=140838\">World Register of Marine Species<\/a><\/li><\/ul><\/ul><\/span><p><strong>Citar este art\u00edculo como: <\/strong><\/p><div style=\"display: block; background: #444444; padding: 10px 30px 10px 10px; border-radius: 5px; line-height: 18px;\"><p class=\"citacio\"><b>Pontes, Miquel<\/b> (2025) <em>\"Polycera quadrilineata\"<\/em> en <em>OPK-Opistobranquis<\/em>. Publicado: 15\/05\/2012. Accedido: 03\/09\/2026. Disponible en (<a href=https:\/\/opistobranquis.info\/es\/?p=420>https:\/\/opistobranquis.info\/es\/?p=420<\/a>)<\/p><p><\/p><\/div><p><\/p><\/p>","protected":false},"excerpt":{"rendered":"<p>Polycera quadrilineata (O. F. M\u00fcller, 1776) Nota taxon\u00f3mica:\u00a0Polycera quadrilineata se ha revelado recientemente como perteneciente a un grupo de varias especies cr\u00edpticas con morfolog\u00edas similares. Hasta 2020, el morfotipo de Polycera norvegica S\u00f8rensen, Rauch, Pola &amp; Malaquias, 2020 estaba incluido en la mayor\u00eda de las descripciones publicadas de P. quadrilineata. Korshunova et al (2021) publicaron su trabajo sobre el complejo de especies cr\u00edpticas de Polycera quadrilineata, donde se reconocieron cuatro\u2026<\/p>\n<p class=\"continue-reading-button\"> <a class=\"continue-reading-link\" href=\"https:\/\/opistobranquis.info\/es\/guia\/nudibranchia\/doridina\/doridoidei\/polyceroidea\/polycera-quadrilineata\/\">Sigue leyendo<i class=\"crycon-right-dir\"><\/i><\/a><\/p>\n","protected":false},"author":5,"featured_media":4831,"parent":26113,"menu_order":6783,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-420","page","type-page","status-publish","has-post-thumbnail","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/opistobranquis.info\/es\/wp-json\/wp\/v2\/pages\/420","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opistobranquis.info\/es\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/opistobranquis.info\/es\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/opistobranquis.info\/es\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/opistobranquis.info\/es\/wp-json\/wp\/v2\/comments?post=420"}],"version-history":[{"count":11,"href":"https:\/\/opistobranquis.info\/es\/wp-json\/wp\/v2\/pages\/420\/revisions"}],"predecessor-version":[{"id":37574,"href":"https:\/\/opistobranquis.info\/es\/wp-json\/wp\/v2\/pages\/420\/revisions\/37574"}],"up":[{"embeddable":true,"href":"https:\/\/opistobranquis.info\/es\/wp-json\/wp\/v2\/pages\/26113"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/opistobranquis.info\/es\/wp-json\/wp\/v2\/media\/4831"}],"wp:attachment":[{"href":"https:\/\/opistobranquis.info\/es\/wp-json\/wp\/v2\/media?parent=420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}