Facelina auriculata (Müller, 1776)

18 July, 2004.
Weasel Loch, Eyemouth on the east coast. Single animal approx 25 mm long with Eubranchus farrani close by at 12 metres in 13.5°C water.
Olympus 5050 camera in PT-015 housing and Nikonos SB 105 slave flash.

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

 nudibranchs of the british isles sea slug forum