Amphorina pallida (Alder & Hancock, 1842)

18 April, 2014.
Inverkip Pier, Firth of Clyde on the west coast.
12 mm dia spawn mass at 8 m. One of several on this pier leg. Water temperature 8° 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