Rubramoena rubescens (Picton & Brown, 1978)

24 May, 2015.
Lephinchapel. Loch Fyne on the west coast.
8 mm animal at 13 metres. 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
nudibranchs of the british isles sea slug forum