Goniodoris nodosa (Montagu, 1808)

16 April, 2016.
Rubh nan Dunain, Skye on the west coast.
6 mm animal at 19 metres. Water temperature 8°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