Fjordia lineata (Loven, 1846)

25 November, 2012.
Stallion Rock, Loch Fyne on the west coast.
5 mm animal at 15 metres in 10.5°C water.
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