Polycera quadrilineata (Müller, 1776)

9 June, 2007
Sgeirean Mora, island of Rum on the west coast.
A juvenile animal approx. 10 mm long at 8 metres. There were many of these on the kelp from 12 up to 6 metres. Water temperature 11° C.
Fuji E900 in Ikelite housing, 2 x Inon D-2000 flashes and 2 x Inon 165 CU lenses.

for more information about this species go to one of the links below
OPK - Opistobranquis nudibranchs of the british isles sea slug forum