Fjordia lineata (Loven, 1846)

25 January, 2015.
Ardcastle, Loch Fyne on the west coast .
6 mm juvenile animal at 18 metres. Water temperature 8°C.
Sony α6000  in Nauticam housing, 50 mm Zeiss 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