Jorunna tomentosa (Cuvier, 1804)

27 May, 2001.
On rocks at Craig'n Gelt, Dunbar on the east coast.
Water temperature 12°. C at 10 metres, a 25 mm long specimen, one of many seen from just below the low water mark down to 13 metres during two dives on this site on this day.
Nikonos 5 with 2:1 close up 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