Eubranchus vittatus(Alder & Hancock, 1842)

21 November, 2004.
Lephinchapel Reef, Loch Fyne on the west coast .
These little 'butterfly' spawn masses, approx. 3mm across were seen on at 14 metres on Kirchenpaueria pinnata hydroid. The animals were found nearby. Water temperature 11° C.
Olympus 5050 in PT-015 housing and 2 Epoque DML-2 close up lenses 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