Elysia manriquei

Elysia manriquei  Ortea & Moro, 2009

Elysia manriquei @ Taliarte, Gran Canaria 27-05-2014 in 6m por Pablo Samper Méndez

Descripción
Cuerpo de hasta 30mm de longitud, de color verde aceituna (también en ejemplares juveniles), recubierto de pequeñas papilas cónicas asociadas a unos puntos blancos, y de puntos negros de dos tipos, unos simples y otros en forma de anillos alrededor de los orificios glandulares. La densidad de los puntos varia de un ejemplar a otro. Los parapodios tienen el lado interior de color verde amarillento, sin puntos negros (excepto en la zona pericárdica, que es de color verde oliva con puntos negros), y forman tres lóbulos a cada lado del animal, el primero justo detrás de la cabeza, el segundo en medio del cuerpo y el tercero a media distancia entre el segundo y la cola. Todos los ejemplares estudiados, tanto juveniles como adultos, tienen el mismo número de lóbulos parapodiales. El pie es corto (aproximadamente una quinta parte de la longitud del animal) y está bien definido, quedando separado de la base de los parapodios por un surco transversal, sus flancos son paralelos y el borde delantero esta algo hendido en el medio, mientras que la cola es corta y apuntada. Los rinóforos están situados en el tercio anterior de la cabeza, están surcados lateralmente y muy enrollados, por lo que su aspecto es casi cilíndrico. Son relativamente pequeños y tienen papilas blancas y puntos negros similares a los del resto del cuerpo. Los ojos, que consisten en un punto de color negro situado dentro de una esfera cristalina, tienen el mismo tamaño que los puntos negros que decoran el cuerpo y están situados justo detrás de cada rinóforo. La papila anal está situada en el costado derecho del cuerpo, justo en el comienzo del parapodio, donde puede haber una mancha negra por debajo de la piel.

Biología
Se supone que se alimenta de las algas Caulerpa racemosa var. peltata y Caulerpa webbiana (sobre la que es una especie críptica). La puesta, depositada sobre el alga de que se alimenta, es un cordón de color amarillento formado por cápsulas de 85 micras de diámetro dentro de las cuales se observa un huevo amarillento pequeño (de unas 55 micras de diámetro) junto con alimento extracapsular de color naranja. El animal suele dirigir la cola hacia arriba, por lo que ésta parece un lóbulo parapodial más. Cuando el animal está sobre el alga de que se alimenta, a veces desenrolla los lóbulos parapodiales y los aplasta contra el alga, con lo que se convierte prácticamente en indetectable. Los animales emiten una nube de una substancia blanco azulada cuando son molestados, presumiblemente como autodefensa.

Etimología

• Elysia es un nombre que proviene del latín Elyseum: elíseo, una “especie de paraíso” donde, segun las creencias del paganismo, tenían que ir las almas de aquellos que, al morir, merecían este premio”. Frieder Sauer comenta que Elysia significa celestial.
• Manriquei, en honor de César Manrique Cabrera (1919-1992), pintor, escultor, arquitecto y artista español originario de la isla de Lanzarote, que compaginó su obra con la defensa de los valores medioambientales de las Islas Canarias, buscando la armonía entre el arte y la naturaleza como espacio creativo.

Distribución
Elysia manriquei es relativamente común en las localidades donde se ha sido muestreada: Órzola y Arrecife (Lanzarote, Islas Canarias) y Gando y Taliarte (Gran Canaria, Islas Canarias), habiendo sido hallada en diferentes épocas a lo largo del año.

Otras fotos

Bibliografía

1246567 Elysia manriquei 1 eunomia-revista-en-cultura-de-la-legalidad 50 creator asc 1 22407 https://opistobranquis.info/wp-content/plugins/zotpress/
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Ballesteros, M., Madrenas, E., Pontes, M. (2026). OPK - Opistobranquis. Disponible en: https://opistobranquis.info/ [Accedido 6 de marzo de 2026]
Moro, L., Bacallado, J. J., Ortea, J. A. (2010). Babosas marinas de las islas Canarias. Actas VI Semana Científica Telesforo Bravo, Instituto de Estudios Hispánicos de Canarias. https://doi.org/10.13140/RG.2.1.1168.2009
Ortea, J., Moro, L. (2009). Descripcion de una nueva especie del género Elysia Risso, 1818 (Mollusca: Sacoglossa) recolectada en las islas Canarias, nombrada en honor de César Manrique. Vieraea 37: 91-98.
Ortea, J., Moro, L., Bacallado, J. J. (2015). Babosas Marinas Canarias. Turquesa Ediciones.
WoRMS Editorial Board. (2026). World Register of Marine Species. WoRMS. Disponible en: http://www.marinespecies.org
Bibliografía basada en los trabajos de Steve Long, 2006. Bibliography of Opisthobranchia 1554-2000 y Gary McDonald, 2009. Bibliographia Nudibranchia, con actualizaciones posteriores procedentes de otras fuentes.

Más información

• Flickr pictures
• GBIF.ORG
• Interim Register of Marine and Nonmarine Genera
• NCBI GenBank
• World Register of Marine Species

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