Diaphorodoris luteocincta (M. Sars, 1870)

27 April, 2018.
Rubh a Chroisein, Muck on the west coast of Scotland.
A very pale 4 mm animal at 16 metres. Water temperature 7° 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