Onchidoris bilamellata (Linnaeus, 1767)

1 February, 2009
Lephinchapel, Loch Fyne on the west coast. 
18 mm animal at 14 metres ploughs through the sediment covering the smooth rock surfaces eating barnacles as it goes. Several animals seen between 12 - 16 metres.
Water temperature 7° C.
Fuji E900 camera in Ikelite housing, 2 x Inon D-2000 flashes and 2 x Inon CU lenses.

for more information about this species go to one of the links below
OPK - Opistobranquis nudibranchs of the british isles sea slug forum