Coryphella verrucosa (M. Sars, 1829)

13 December, 2012.
Finnart Loch Long on the west coast.
25 mm animal at 12 metres. Water temperature 10° C.
Sony NEX-5 in Nauticam housing, 18-55mm lens with 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