Pleurobranchus membranaceus (Montagu, 1815)

 

29 December, 2010
Duncan's Garden, Loch Fyne on the west coast.
65 animal, one of several, at 20 metres. Water temperature 8° C.
Fuji E900 camera in Ikelite housing, Inon CU lens and 2 x Inon D-2000 flashes.
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