Eubranchus vittatus(Alder & Hancock, 1842)

10 August, 2014.
Lochside Cottages, Loch Leven on the west coast .
10 mm specimen, one of several seen between 12 - 20 metres, on hydroids.
Water temperature 13°C.
Sony α6000  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