Facelina auriculata (Müller, 1776)

10 June, 2007.
Sgeirean Mora, island of Rum on the west coast.
35 mm long animal feeding on hydroid at 9 metres in 11° C water.
Fuji E900 in Ikelite housing and 2 x Inon CU lens with 2 x Inon D-2000 slave flashes.

for more information about this species go to one of the links below
OPK - Opistobranquis

 nudibranchs of the british isles sea slug forum