Diaphorodoris luteocincta (M. Sars, 1870)

9 July, 2015.
Creag Rock, Pabbay in the Outer Hebrides on the west coast of Scotland. .
8 mm animal at 13 metres. Water temperature 11°C.
Sony α6000  in Nauticam housing, 18-55 mm 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