Onchidoris bilamellata (Linnaeus, 1767)

19 August, 2001.
Rubh Na Crannaig off the island of Eigg in the Inner Hebrides on the west coast.
Water temperature 13° C. At 5 metres, a 15mm long animal on the kelp.
Nikonos 5 with 35 mm lens, 2:1 extension tubes and Ikelite 50 flash.

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

Nudibranchs of the British Isles Sea Slug Forum