Trinchesia caerulea (Montagu, 1804)

5 October, 2008.
Lephinchapel Reef, Loch Fyne on the west coast.
18 mm animal found with several others from 5 - 20 mm at 14 metres.
Water temperature 13° C.
Fuji E900 in Ikelite housing, 2 x Inon CU lens and 2 x Inon D-2000 flashes.

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

 nudibranchs of the british isles sea slug forum