Jorunna tomentosa (Cuvier, 1804)

25 November, 2012.
Fraoch Eilean, Minards, Loch Fyne on the west coast.
40 mm animal at 14 metres. Water temperature 10.5° C.
Sony NEX-5 in Nauticam housing, 18-55mm lens with Subsea + 5 dioptre 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