Photo & copyright by: Gloria Femia Marzo, Spain

Elysia marginata (Pease, 1871) [Pterogasteron]
(on the taxonomic placement read here, cutout of the original picture)

Photo details:
size: 35 mm
depth: 9 m
date: 20 January 2013
country: Philippines
location: Anilao, Luzon Island
divesite: Arthur´s rock
thumbnail-selection of
Elysia marginata
  taxonomy of
Elysia marginata