Goniodoris castanea Alder & Hancock, 1845

8 August 2004.
Craig 'n Gelt, Dunbar on the east coast. This single 25 mm animal was found at 12 metres in 14° C water during the ebb tide.
Olympus 5050 camera in PT-015 housing and Nikonos SB 105 slave flash.

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

 nudibranchs of the british isles sea slug forum