Coryphella lineata (Loven, 1846)

29 March, 2015.
Black Lass Cove South, Loch Fyne on the west coast .
28 mm animal at 15 metres. Water temperature 7°C.
Sony ?6000  in Nauticam housing, 50 mm Zeiss 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