Doto dunnei Lemche, 1976

22 June, 2015.
The reef west of the Thesis, Sound of Mull on the west coast .
10 mm on hydroid at 16 metres.
Water temperature 10°C.
Sony α6000  in Nauticam housing, 18-55 mm 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