Aplysia punctata (Cuvier, 1803)

23 May, 2004.

Rubh a Chairn Mhor, Loch Ailort on the west coast. 
Found at 11 metres in 11° C water. A small, 25mm, single animal 'reaching' out from the edge of a blade of kelp on the sandy bottom.
Olympus 5050 in Olympus PT-015 housing with Nikonos 105 flash in slave mode.

for more information about this species go to one of the links below
OPK - Opistobranquis

 Encyclopedia of Marine Life of Britain and Ireland sea slug forum