Eubranchus exiguus

Eubranchus exiguus (Alder & Hancock, 1849)

17 March, 203.
13 Mile Mark, Loch Fyne on the west coast.
3 mm animal, one of several seen on hydroid at 12 m. Water temperature 7° 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