Fjordia browni (Picton, 1980)

15 May, 2013.
Inverkip Pier, Firth of Clyde on the west coast.
Small group of 20-25 mm animals at 8 m. There were several groups, individuals and spawn on this hydroid on many of the pier supports and debris around the site.Water temperature 8.5°C.
Sony NEX-5 in Nauticam housing, 18-55mm lens 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