Eubranchus pallidus (Alder & Hancock, 1842)

27 May, 2001.
On rocks at Craig'n Gelt, Dunbar on the east coast.
Water temperature 12°. C. Between 6 and 11 metres there were many of these beautiful little animals crawling over and among the weedy rock surfaces, this one is a 15 mm long specimen.
Nikonos 5 with 2:1 close up extension tubes and Ikelite 50 flash.