Doris pseudoargus (Rapp, 1827)

9 December 2012.
South Gortein, Loch Fyne on the west coast.
3 large animals, the largest around 110mm,feeding on sponge on the cable at 14 m. Water temperature 10° C.
Sony NEX-5 in Nauticam housing, 18-55mm 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