Tritonia hombergii Cuvier, 1803

April 2001.
At Sgeir Mhor on the west coast of the island of Skye near Soay island.
14 metres down the face of this wonderful reef this large 175 mm long individual was crawling along the reef.
The slide was taken on Fuji Provia with a Nikon N90SX with 105 mm micro lens in a Subal housing, lit with a Nikon SB26 flsash in a Seacam housing.

for more information about this species go to one of the links below
OPK - Opistobranquis nudibranchs of the british isles sea slug forum