8 August, 2015.
Skelly's Hole, St. Abbs on the east coast.
15 mm animal at 9 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