Eubranchus vittatus(Alder & Hancock, 1842)

23 August, 2015.
4.5 m Rock, Loch Nevis on the west coast. 
15 mm animal at 14 m. Water temperature 13.5°C.
Sony α6000  in Nauticam housing, Zeiss 50 mm macro lens 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