Adalaria loveni (Alder & Hancock, 1854)

30 September, 2012.
Rubha na Moine, Loch Nevis on the west coast. 
8 mm animal at 12 m. Water temperature 13°C.
Sony NEX-5 in Nauticam housing, 18-55mm lens, SubSee +10 dioptre 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