Fjordia browni (Picton, 1980)

4 May, 2011.
Inverkip Pier, River Clyde on the west coast.
12 mm animal 12 metres. Water temperature 9° C.
Sony NEX-5 in Nauticam housing, 18-55mm lens, Subsee +10 dioptre and 2 x Inon D-2000 flashes.

for more information about this species go to one of the links below
nudibranchs of the british isles sea slug forum