Diaphorodoris luteocincta (M. Sars, 1870)

3 December, 2016.
Eagle Rock, Garvellachs on the west coast of Scotland.
5 mm animals at 16 metres. Water temperature 10° C..
Sony α6000  in Nauticam housing, Zeiss 50 mm macro 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