Facelina annulicornis (Chamisso & Eysenhardt, 1821)

5 August, 2016.
Loch Slapin, Skye on the west coast .
35 mm animal, one of eight, at 21 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