Jorunna tomentosa (Cuvier, 1804)

7 April, 2018.
Barrisdale Narrows, Loch Hourne on the west coast .
40 mm animals at 10 metres.
Water temperature 5°C.
Sony α6000  in Nauticam housing, 50 mm Zeiss 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