Eubranchus tricolor Forbes, 1838

12 August, 2018.
Geodh Ruadh, Strathy Point on the north coast of Scotland.
15 mm animal at 18 metres. Water temperature 12°C.
Sony α6000  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