Onchidoris muricata

Onchidoris muricata (Müller, 1776)

21 June, 2016.
Wuddy Rocks, St Abbs on the east coast.
5 mm animal at 18 metres. Water temperature 10C.
Sony α6000  in Nauticam housing, Zeiss 50 mm macro 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