Trinchesia caerulea (Montagu, 1804)

16 January, 2005.
South Gortein, Loch Fyne on the west coast .
This animal approx 16mm was found at 13 metres adjacent to the cable as it passes over the top of the reef. Water temperature 10° C.
Olympus 5050 in PT-015 housing and 2 Epoque DML-2 close up lenses with Nikonos 105 slave flash.

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

 nudibranchs of the british isles sea slug forum