Goniodoris nodosa (Montagu, 1808)

January 2000.
South Gortein, Loch Fyne on the west coast.
This 'mating?' pair were found at 12 metres on the smooth upper rock surface of the reef.

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

 nudibranchs of the british isles sea slug forum