Doto fragilis (Forbes, 1838)

24 May, 2015.
Lephinchapel. Loch Fyne on the west coast.
15 mm animal at 12 metres. Several animals seen and many spawn masses. Water temperature 9.5°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