Polycera quadrilineata (Müller, 1776)

5 August, 2007
Skellies Gully, St. Abbs Head on the east coast.
Single 28 mm animal at 12 metres; one of many. Water temperature 13° 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