Geitodoris planata (Alder & Hancock, 1846)

4 April, 2004.
Seven Step Reef, Loch Creran on the west coast.
At 8 metres this single animal approx 35 mm long was found on a queen scallop. Water temperature 9°C.
Olympus 5050 in 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