Doto fragilis (Forbes, 1838)

2 March, 2008.
12.9 Mile Mark, Loch Fyne on the west coast.
5 mm animal at 14 metres. Water temperature 8 °C.
Fuji E900 in Ikelite housing, 3 x Inon CU lens and 2 x Inon D-2000 flashes..

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