Onchidoris muricata (Müller, 1776)

4 July, 2010
Lephinchapel Reef, Loch Fyne on the west coast.
8 mm animal at 12 metres. Water temperature 11° C.
Fuji E900 in Ikelite housing, Inon CU lens and 2 x Inon D-2000 flashes

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