Eubranchus vittatus(Alder & Hancock, 1842)

14 March, 2004.
Manse Reeft, Loch Leven on the west coast. 
19 mm long pale animal at 12 metres. Water temperature 8° 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
OPK - Opistobranquis

 nudibranchs of the british isles sea slug forum