Rostanga rubra

Rostanga rubra (Risso, 1818)

20 June, 2017.
Lephinchapel, Loch Fyne on the west coast.
12 mm animal at 9 metres.
Water temperature 11°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