Eubranchus tricolor Forbes, 1838

May 1999.
Weasel Loch near Eyemouth.
There were lots of these little beauties approx. 28 mm long on the walls of the gulley in 3 - 5 metres.
During this dive we spotted seven different species at this one site in an hour long dive.

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

 nudibranchs of the british isles sea slug forum