Diaphorodoris luteocincta (M. Sars, 1870)

18 April, 2004.
Rubh an Dunain, Skye on the west coast. 
Water temperature 8° C at 15 metres, one of several of these animals seen during the dive, crawls across the reef.
Olympus C5050Z in PT-015 housing with Nikonos 105 flash.

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