Photo & copyright by: Gloria Femia Marzo, Spain

Hypselodoris tryoni (Garrett, 1873) [Goniodoris]
(cutout of the original picture, on the taxonomic placement read here)

Photo details:
size: ~5 cm
depth: 23 m
date: 16 August 2012
country: Kingdom of Tonga
location: Ha'apai Islands
divesite: Two sisters
thumbnail-selection of
Hypselodoris tryoni
  taxonomy of
Hypselodoris tryoni