Rostanga rubra

Rostanga rubra (Risso, 1818)

22 August, 2017.
The Big Wall, island of Canna on the west coast.
10 mm animal at 10 metres.
Water temperature 13°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