Facelina auriculata (Müller, 1776)

27 May, 2007.
On hydroids growing on the buoy line of the wreck of the San Tiburcio, Moray Firth on the east coast.
2 of many animals, the largest approx. 35 mm long, with spawn found at and above14 metres in 10°C water. Also is a Eubranchus pallidus and a tiny unidentified aeolid.
Fuji E900 in Ikelite housing and 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