Limacia clavigera (Müller, 1776)

5 October, 2012.
South Gortein, Loch Fyne on the west coast.
28 animal found at 6 metres. Water temperature 12.5°C.
Sony NEX-5 in Nauticam housing, 18-55mm lens, SubSee +10 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