Eubranchus pallidus (Alder & Hancock, 1842)

7 May, 2006.
Near the wreck of the SS Ringholm, Petticowick, St. Abbs on the east coast.
Around 8 metres there were many animals on the weedy rock surfaces; this one is a 10 mm long specimen. Water temperature 6.5° C.
Fuji 810 in Ikelite housing with 2 x Inon D-2000 strobes and Inon 165 CU lenses.