Facelina auriculata (Müller, 1776)

13 April, 2003.
Godag reef off the island of Muck in the Inner Hebrides on the west coast.
Water temperature 9 deg C at 15 metres, a 25mm long individual.
Nikon 90SX with 105mm lens in Subal housing and housed SB26 flash.

for more information about this species go to one of the links below
scottish nudibranchs

 nudibranchs of the british isles sea slug forum