{"id":11438,"date":"2013-10-17T22:28:39","date_gmt":"2013-10-17T20:28:39","guid":{"rendered":"https:\/\/opistobranquis.info\/?p=11438"},"modified":"2023-01-06T07:51:56","modified_gmt":"2023-01-06T06:51:56","slug":"com-distingir-els-felimare-blaus","status":"publish","type":"post","link":"https:\/\/opistobranquis.info\/en\/com-distingir-els-felimare-blaus\/","title":{"rendered":"How to distinguish the blue Felimare"},"content":{"rendered":"<p>Any diver with a certain experience searching for opisthobranchs in the Mediterranean or Eastern Atlantic could tell you that, sometimes, it is pretty difficult to tell apart which species of blue <em>Felimare<\/em> nudibranch you are looking at. The new genus <em>Felimare<\/em> recently replaced the classic denomination <em>Hypselodoris<\/em> that is found in most printed books.<\/p>\n<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\/hypselodoris-tricolor-29.jpg?w=900&#038;ssl=1\" alt=\"Felimare tricolor by Enric Madrenas\" \/><\/div><center><em>Felimare tricolor<\/em> by Enric Madrenas<\/center><\/span><p><\/p>\n<p><em>Felimare<\/em>\u00a0opisthobranchs of the Mediterranean and Atlantic Ocean were revised by Ortea et al in 1996. Still there is a certain controversy regarding some species, for instance, Ortea denominates <em>Hypselodoris tricolor<\/em> to the same species that Gosliner described as <em>Hyselodoris midatlantica<\/em> in 1990. In this work, Ortea also considers <em>H. elegans<\/em>, <em>H. valenciennesi<\/em> and <em>H. webbi<\/em> as <em>Hypselodoris picta<\/em>.<\/p>\n<p>Here we include the main traits of the most common <em>Felimare<\/em> species:<\/p>\n<div>\n<p><strong><em>Felimare tricolor<\/em> has following characteristics :<\/strong><\/p>\n<ul>\n<li>\n<div id=\"attachment_11443-3\" style=\"width: 160px\" class=\"wp-caption alignright\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-11443-3\" data-attachment-id=\"11443\" data-permalink=\"https:\/\/opistobranquis.info\/en\/com-distingir-els-felimare-blaus\/ftricolor-rino\/\" data-orig-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/ftricolor-rino.jpg?fit=197%2C197&amp;ssl=1\" data-orig-size=\"197,197\" data-comments-opened=\"0\" data-image-title=\"Felimare tricolor &amp;#8211; Rhinophore\" data-image-description=\"&lt;p&gt;Felimare tricolor &amp;#8211; Rhinophore&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Felimare tricolor &amp;#8211; Rhinophore&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/ftricolor-rino.jpg?fit=197%2C197&amp;ssl=1\" class=\"size-thumbnail wp-image-11443\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/ftricolor-rino.jpg?resize=150%2C150&#038;ssl=1\" alt=\"Felimare tricolor - Rhinophore\" width=\"150\" height=\"150\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/ftricolor-rino.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/ftricolor-rino.jpg?w=197&amp;ssl=1 197w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><p id=\"caption-attachment-11443-3\" class=\"wp-caption-text\">Felimare tricolor<\/p><\/div>\n<div id=\"attachment_11444-3\" style=\"width: 160px\" class=\"wp-caption alignright\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-11444-3\" data-attachment-id=\"11444\" data-permalink=\"https:\/\/opistobranquis.info\/en\/com-distingir-els-felimare-blaus\/ftricolor-branc\/\" data-orig-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/ftricolor-branc.jpg?fit=367%2C368&amp;ssl=1\" data-orig-size=\"367,368\" data-comments-opened=\"0\" data-image-title=\"ftricolor-branc\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/ftricolor-branc.jpg?fit=367%2C368&amp;ssl=1\" class=\"wp-image-11444\" title=\"Felimare tricolor - Branchs\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/ftricolor-branc.jpg?resize=150%2C150&#038;ssl=1\" alt=\"Felimare tricolor - Branchs\" width=\"150\" height=\"150\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/ftricolor-branc.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/ftricolor-branc.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/ftricolor-branc.jpg?w=367&amp;ssl=1 367w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><p id=\"caption-attachment-11444-3\" class=\"wp-caption-text\">Felimare tricolor<\/p><\/div>\n<p>The dorsum is blue, with a yellow border, a median longitudinal yellow or white line that \u00a0finished between the rhinophores, it may have some white yellow spots.<\/li>\n<li>The foot is blue with a white or yellow line along the sides.<\/li>\n<li>The rhinophores are blue with white tips.<\/li>\n<li>The gills are blue with a thin yellow line on the external side of each gill.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<\/div>\n<div>\n<p><strong><i>Felimare fontandraui<\/i>\u00a0has following characteristics:<\/strong><\/p>\n<ul>\n<li>\n<div id=\"attachment_11447-3\" style=\"width: 160px\" class=\"wp-caption alignright\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-11447-3\" data-attachment-id=\"11447\" data-permalink=\"https:\/\/opistobranquis.info\/en\/com-distingir-els-felimare-blaus\/ffontan-rino\/\" data-orig-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/ffontan-rino.jpg?fit=161%2C161&amp;ssl=1\" data-orig-size=\"161,161\" data-comments-opened=\"0\" data-image-title=\"Felimare fontandraui\" data-image-description=\"&lt;p&gt;Felimare fontandraui&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Felimare fontandraui&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/ffontan-rino.jpg?fit=161%2C161&amp;ssl=1\" class=\"size-thumbnail wp-image-11447\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/ffontan-rino.jpg?resize=150%2C150&#038;ssl=1\" alt=\"Felimare fontandraui\" width=\"150\" height=\"150\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/ffontan-rino.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/ffontan-rino.jpg?w=161&amp;ssl=1 161w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><p id=\"caption-attachment-11447-3\" class=\"wp-caption-text\">Felimare fontandraui<\/p><\/div>\n<div id=\"attachment_11448-3\" style=\"width: 160px\" class=\"wp-caption alignright\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-11448-3\" data-attachment-id=\"11448\" data-permalink=\"https:\/\/opistobranquis.info\/en\/com-distingir-els-felimare-blaus\/ffontan-branch\/\" data-orig-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/ffontan-branch.jpg?fit=188%2C186&amp;ssl=1\" data-orig-size=\"188,186\" data-comments-opened=\"0\" data-image-title=\"Felimare fontandraui\" data-image-description=\"&lt;p&gt;Felimare fontandraui&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Felimare fontandraui&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/ffontan-branch.jpg?fit=188%2C186&amp;ssl=1\" class=\"size-thumbnail wp-image-11448\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/ffontan-branch.jpg?resize=150%2C148&#038;ssl=1\" alt=\"Felimare fontandraui\" width=\"150\" height=\"148\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/ffontan-branch.jpg?resize=150%2C148&amp;ssl=1 150w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/ffontan-branch.jpg?w=188&amp;ssl=1 188w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><p id=\"caption-attachment-11448-3\" class=\"wp-caption-text\">Felimare fontandraui<\/p><\/div>\n<p>The dorsum is blue, with a yellow border, a median longitudinal white line and some white spots. The median line extends ahead of the rhinophores and finishes with a &#8216;T&#8217; or anchor shape<\/li>\n<li>The foot is blue with a pattern of irregular white lines on the sides.<\/li>\n<li>The rhinophores are uniform blue.<\/li>\n<li>The gills are\u00a0either uniform blue or they may have two triangular yellow lines on the external side, and one yellow line on the internal side of each gill leaf.<\/li>\n<\/ul>\n<\/div>\n<div>\n<p><strong><i>Felimare villafranca<\/i>\u00a0has following characteristics :<\/strong><\/p>\n<ul>\n<li>\n<div id=\"attachment_11451-3\" style=\"width: 160px\" class=\"wp-caption alignright\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-11451-3\" data-attachment-id=\"11451\" data-permalink=\"https:\/\/opistobranquis.info\/en\/com-distingir-els-felimare-blaus\/fvilla-rino\/\" data-orig-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fvilla-rino.jpg?fit=212%2C211&amp;ssl=1\" data-orig-size=\"212,211\" data-comments-opened=\"0\" data-image-title=\"Felimare villafranca\" data-image-description=\"&lt;p&gt;Felimare villafranca&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Felimare villafranca&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fvilla-rino.jpg?fit=212%2C211&amp;ssl=1\" class=\"size-thumbnail wp-image-11451\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fvilla-rino.jpg?resize=150%2C150&#038;ssl=1\" alt=\"Felimare villafranca\" width=\"150\" height=\"150\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fvilla-rino.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fvilla-rino.jpg?w=212&amp;ssl=1 212w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><p id=\"caption-attachment-11451-3\" class=\"wp-caption-text\">Felimare villafranca<\/p><\/div>\n<div id=\"attachment_11452-3\" style=\"width: 160px\" class=\"wp-caption alignright\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-11452-3\" data-attachment-id=\"11452\" data-permalink=\"https:\/\/opistobranquis.info\/en\/com-distingir-els-felimare-blaus\/fvilla-branch\/\" data-orig-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fvilla-branch.jpg?fit=193%2C193&amp;ssl=1\" data-orig-size=\"193,193\" data-comments-opened=\"0\" data-image-title=\"Felimare villafranca\" data-image-description=\"&lt;p&gt;Felimare villafranca&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Felimare villafranca&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fvilla-branch.jpg?fit=193%2C193&amp;ssl=1\" class=\"size-thumbnail wp-image-11452\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fvilla-branch.jpg?resize=150%2C150&#038;ssl=1\" alt=\"Felimare villafranca\" width=\"150\" height=\"150\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fvilla-branch.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fvilla-branch.jpg?w=193&amp;ssl=1 193w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><p id=\"caption-attachment-11452-3\" class=\"wp-caption-text\">Felimare villafranca<\/p><\/div>\n<p>The dorsum is blue, with a yellow border, and a pattern of longitudinal yellow and\/or white lines. The dorsal yellow lines encircle the gills.<\/li>\n<li>The foot is blue with a pattern of thin yellow and\/or white lines on the sides.<\/li>\n<li>The rhinophores are blue with longitudinal white line on the back.<\/li>\n<li>The gills\u00a0have a white line on the external and internal side of each gill leaf.<\/li>\n<\/ul>\n<\/div>\n<div>\n<p><strong><i>Felimare orsinii\u00a0<\/i>has following characteristics :<\/strong><\/p>\n<ul>\n<li>\n<div id=\"attachment_11454-3\" style=\"width: 160px\" class=\"wp-caption alignright\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-11454-3\" data-attachment-id=\"11454\" data-permalink=\"https:\/\/opistobranquis.info\/en\/com-distingir-els-felimare-blaus\/forsinii-rino\/\" data-orig-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/forsinii-rino.jpg?fit=194%2C194&amp;ssl=1\" data-orig-size=\"194,194\" data-comments-opened=\"0\" data-image-title=\"Felimare orsinii\" data-image-description=\"&lt;p&gt;Felimare orsinii&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Felimare orsinii&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/forsinii-rino.jpg?fit=194%2C194&amp;ssl=1\" class=\"size-thumbnail wp-image-11454\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/forsinii-rino.jpg?resize=150%2C150&#038;ssl=1\" alt=\"Felimare orsinii\" width=\"150\" height=\"150\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/forsinii-rino.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/forsinii-rino.jpg?w=194&amp;ssl=1 194w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><p id=\"caption-attachment-11454-3\" class=\"wp-caption-text\">Felimare orsinii<\/p><\/div>\n<div id=\"attachment_11455-3\" style=\"width: 160px\" class=\"wp-caption alignright\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-11455-3\" data-attachment-id=\"11455\" data-permalink=\"https:\/\/opistobranquis.info\/en\/com-distingir-els-felimare-blaus\/forsinii-branch\/\" data-orig-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/forsinii-branch.jpg?fit=199%2C198&amp;ssl=1\" data-orig-size=\"199,198\" data-comments-opened=\"0\" data-image-title=\"Felimare orsinii\" data-image-description=\"&lt;p&gt;Felimare orsinii&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Felimare orsinii&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/forsinii-branch.jpg?fit=199%2C198&amp;ssl=1\" class=\"size-thumbnail wp-image-11455\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/forsinii-branch.jpg?resize=150%2C150&#038;ssl=1\" alt=\"Felimare orsinii\" width=\"150\" height=\"150\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/forsinii-branch.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/forsinii-branch.jpg?w=199&amp;ssl=1 199w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><p id=\"caption-attachment-11455-3\" class=\"wp-caption-text\">Felimare orsinii<\/p><\/div>\n<p>Small sized.<\/li>\n<li>The dorsum is blue, bordered in yellow, with a median longitudinal thin white line. The mantle is covered with small blue tubercles.<\/li>\n<li>The foot is blue with a white or yellow line on the sides.<\/li>\n<li>The rhinophores are uniform blue.<\/li>\n<li>The gills are\u00a0uniform blue.<\/li>\n<\/ul>\n<\/div>\n<div>\n<p>&nbsp;<\/p>\n<p><strong><i>Felimare bilineata\u00a0<\/i>has several colour variants.<i>\u00a0<\/i>The typical colour form is recognisable according to following characteristics<\/strong> :<\/p>\n<ul>\n<li>\n<div id=\"attachment_11457-3\" style=\"width: 160px\" class=\"wp-caption alignright\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-11457-3\" data-attachment-id=\"11457\" data-permalink=\"https:\/\/opistobranquis.info\/en\/com-distingir-els-felimare-blaus\/fbilineata-rino\/\" data-orig-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fbilineata-rino.jpg?fit=201%2C201&amp;ssl=1\" data-orig-size=\"201,201\" data-comments-opened=\"0\" data-image-title=\"Felimare bilineata\" data-image-description=\"&lt;p&gt;Felimare bilineata&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Felimare bilineata&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fbilineata-rino.jpg?fit=201%2C201&amp;ssl=1\" class=\"size-thumbnail wp-image-11457\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fbilineata-rino.jpg?resize=150%2C150&#038;ssl=1\" alt=\"Felimare bilineata\" width=\"150\" height=\"150\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fbilineata-rino.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fbilineata-rino.jpg?w=201&amp;ssl=1 201w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><p id=\"caption-attachment-11457-3\" class=\"wp-caption-text\">Felimare bilineata<\/p><\/div>\n<div id=\"attachment_11458-3\" style=\"width: 160px\" class=\"wp-caption alignright\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-11458-3\" data-attachment-id=\"11458\" data-permalink=\"https:\/\/opistobranquis.info\/en\/com-distingir-els-felimare-blaus\/fbilineata-branch\/\" data-orig-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fbilineata-branch.jpg?fit=222%2C221&amp;ssl=1\" data-orig-size=\"222,221\" data-comments-opened=\"0\" data-image-title=\"Felimare bilineata\" data-image-description=\"&lt;p&gt;Felimare bilineata&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Felimare bilineata&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fbilineata-branch.jpg?fit=222%2C221&amp;ssl=1\" class=\"size-thumbnail wp-image-11458\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fbilineata-branch.jpg?resize=150%2C150&#038;ssl=1\" alt=\"Felimare bilineata\" width=\"150\" height=\"150\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fbilineata-branch.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fbilineata-branch.jpg?w=222&amp;ssl=1 222w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><p id=\"caption-attachment-11458-3\" class=\"wp-caption-text\">Felimare bilineata<\/p><\/div>\n<p>The body is black or dark blue with yellow lines and blue spots<\/li>\n<li>The mantle has a black border with another yellow border inside, and two median yellow longitudinal lines that encircle the rhinophores and gills on each end. The region between the yellow border and median yellow lines is filled with blue spots. In northern specimens the median yellow lines tend to merge into a single line, while in African specimens the median yellow lines are separated by a broad region filled with yellow \/ white lines..<\/li>\n<li>The foot has longitudinal yellow lines on each side.<\/li>\n<li>The rhinophores are black or dark blue, with a longitudinal yellow line on the back side.<\/li>\n<li>The gills are black or dark blue with two triangular yellow lines on the external side and one yellow line on the internal side of each gill leaf.<\/li>\n<\/ul>\n<\/div>\n<div>\n<p><strong><i>Felimare cantabrica<\/i>\u00a0has following characteristics :<\/strong><\/p>\n<ul>\n<li>\n<div id=\"attachment_11460-3\" style=\"width: 160px\" class=\"wp-caption alignright\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-11460-3\" data-attachment-id=\"11460\" data-permalink=\"https:\/\/opistobranquis.info\/en\/com-distingir-els-felimare-blaus\/fcantabrica-rino\/\" data-orig-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fcantabrica-rino.jpg?fit=254%2C254&amp;ssl=1\" data-orig-size=\"254,254\" data-comments-opened=\"0\" data-image-title=\"Felimare cantabrica\" data-image-description=\"&lt;p&gt;Felimare cantabrica&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Felimare cantabrica&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fcantabrica-rino.jpg?fit=254%2C254&amp;ssl=1\" class=\"size-thumbnail wp-image-11460\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fcantabrica-rino.jpg?resize=150%2C150&#038;ssl=1\" alt=\"Felimare cantabrica\" width=\"150\" height=\"150\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fcantabrica-rino.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fcantabrica-rino.jpg?w=254&amp;ssl=1 254w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><p id=\"caption-attachment-11460-3\" class=\"wp-caption-text\">Felimare cantabrica<\/p><\/div>\n<div id=\"attachment_19667-3\" style=\"width: 160px\" class=\"wp-caption alignright\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-19667-3\" data-attachment-id=\"19667\" data-permalink=\"https:\/\/opistobranquis.info\/en\/com-distingir-els-felimare-blaus\/fcantabrica-gill\/\" data-orig-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fcantabrica-gill.png?fit=150%2C150&amp;ssl=1\" data-orig-size=\"150,150\" data-comments-opened=\"0\" data-image-title=\"Felimare cantabrica\" data-image-description=\"&lt;p&gt;Felimare cantabrica&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Felimare cantabrica&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fcantabrica-gill.png?fit=150%2C150&amp;ssl=1\" class=\"wp-image-19667 size-full\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/fcantabrica-gill.png?resize=150%2C150&#038;ssl=1\" alt=\"Felimare cantabrica\" width=\"150\" height=\"150\" \/><p id=\"caption-attachment-19667-3\" class=\"wp-caption-text\">Felimare cantabrica<\/p><\/div>\n<p>The dorsum is blue, bordered in yellow, with a median longitudinal yellow line and some yellow spots.<\/li>\n<li>The foot is blue with numerous yellow spots.<\/li>\n<li>The rhinophores are blue with a longitudinal yellow line on the back.<\/li>\n<li>The gills are blue with two triangular yellow lines on the external side and one yellow line on the internal side of each gill leaf.<\/li>\n<li>This species is absent from the Mediterranean<\/li>\n<\/ul>\n<\/div>\n<div>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\">Here it is a comparative drawing to sinthetize the explanations above.<br \/>\n<img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"30377\" data-permalink=\"https:\/\/opistobranquis.info\/en\/com-distingir-els-felimare-blaus\/felimare-blaus-comparativa-marina-poddubetskaia\/\" data-orig-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/Felimare-blaus-comparativa-Marina-Poddubetskaia.jpg?fit=630%2C270&amp;ssl=1\" data-orig-size=\"630,270\" data-comments-opened=\"0\" data-image-title=\"Felimare ID by Marina Poddubetskaia\" data-image-description=\"&lt;p&gt;Felimare ID by Marina Poddubetskaia&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Felimare ID by Marina Poddubetskaia&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/Felimare-blaus-comparativa-Marina-Poddubetskaia.jpg?fit=630%2C270&amp;ssl=1\" class=\"wp-image-30377 size-full\" src=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/Felimare-blaus-comparativa-Marina-Poddubetskaia.jpg?resize=630%2C270&#038;ssl=1\" alt=\"Felimare ID by Marina Poddubetskaia\" width=\"630\" height=\"270\" srcset=\"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/Felimare-blaus-comparativa-Marina-Poddubetskaia.jpg?w=630&amp;ssl=1 630w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/Felimare-blaus-comparativa-Marina-Poddubetskaia.jpg?resize=300%2C129&amp;ssl=1 300w, https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2013\/10\/Felimare-blaus-comparativa-Marina-Poddubetskaia.jpg?resize=150%2C64&amp;ssl=1 150w\" sizes=\"auto, (max-width: 630px) 100vw, 630px\" \/><br \/>\nSource: Nembro by Marina Poddubetskaia<\/p>\n<p style=\"text-align: left;\"><p><strong>Cite this article as: <\/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>\"How to distinguish the blue Felimare\"<\/em> in <em>OPK-Opistobranquis<\/em>. Published: 17\/10\/2013. Accessed: 21\/08\/2026. Available at (<a href=https:\/\/opistobranquis.info\/en\/?p=11438>https:\/\/opistobranquis.info\/en\/?p=11438<\/a>)<\/p><p><\/p><\/div><p><\/p><\/p>\n<\/div>\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Any diver with a certain experience searching for opisthobranchs in the Mediterranean or Eastern Atlantic could tell you that, sometimes, it is pretty difficult to tell apart which species of blue Felimare nudibranch you are looking at. The new genus Felimare recently replaced the classic denomination Hypselodoris that is found in most printed books. Felimare\u00a0opisthobranchs of the Mediterranean and Atlantic Ocean were revised by Ortea et al in 1996. Still\u2026<\/p>\n<p class=\"continue-reading-button\"> <a class=\"continue-reading-link\" href=\"https:\/\/opistobranquis.info\/en\/com-distingir-els-felimare-blaus\/\">Continue reading<i class=\"crycon-right-dir\"><\/i><\/a><\/p>\n","protected":false},"author":5,"featured_media":4633,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1304],"tags":[444,446,442,443,445,1219,441,450,440,448,449,447],"class_list":["post-11438","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-biologia","tag-azul","tag-bilineata","tag-blau","tag-blue","tag-cantabrica","tag-catalunya","tag-felimare","tag-fontandraui","tag-hypselodoris","tag-orsinii","tag-tricolor","tag-villafranca"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/i0.wp.com\/opistobranquis.info\/wp-content\/uploads\/2012\/12\/hypselodoris-tricolor-29.jpg?fit=810%2C545&ssl=1","_links":{"self":[{"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/posts\/11438","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/comments?post=11438"}],"version-history":[{"count":16,"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/posts\/11438\/revisions"}],"predecessor-version":[{"id":36274,"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/posts\/11438\/revisions\/36274"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/media\/4633"}],"wp:attachment":[{"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/media?parent=11438"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/categories?post=11438"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/opistobranquis.info\/en\/wp-json\/wp\/v2\/tags?post=11438"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}