Facelina annulicornis (Chamisso & Eysenhardt, 1821)

7 July, 2019.
McLeod's Maidens, Isle of Skye on the west coast .
28 mm animal at 21 metres.
Water temperature 11°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