Geitodoris planata (Alder & Hancock, 1846)

6 June, 2004
Kenmore Point, Loch Fyne on the west coast.
Water temperature 11deg C. At 15 metres, a large characteristic wavy ribbon spiral of spawn. Many examples were seen from 24 up to 8 metres with most examples around the 10 metre level.
Olympus C5050Z 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