Aplysia punctata (Cuvier, 1803)

21 August, 2002.

Dubh Sgeir, Firth of Lorne on the west coast. 
Found on red algae at 10 metres, a 50 mm animal.
Nikon 90SX with 60mm lens in Subal housing and housed SB26 flash

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