Rubramoena amoena (Alder & Hancock, 1845)

15 July, 2001.
At Sgeir na-sean Chroit, Loch Linnhe on the west coast.
At 15 metres in 11° C water, a pair of these 10 mm animals on hydroids on an otherwise uninteresting dive.
Taken using a Nikonos 5 with 2:1 extension tube and Ikelite 50 flash.

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

 nudibranchs of the british isles sea slug forum