Flabellina pedata (Montagu, 1815)

21 August, 2002.
Dubh Sgeir, Firth of Lorne on the west coast. 
At 15 metres, a 50 mm animal on red algae.
Nikon 90SX with 60mm lens in Subal housing and housed SB26 flash.

for more information about this species go to one of the links below
scottish nudibranchs

 nudibranchs of the british isles sea slug forum