Polycera quadrilineata (Müller, 1776)

1 August, 2004.
Ross Carr, Eyemouth on the east coast.
Water temperature 14°C. This 28mm long animal was found on the kelp at 12 metres on the ebb tide.
Olympus C-5050 in Olympus PT-015 housing with Nikonos 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