Onchidoris muricata

Onchidoris muricata (Müller, 1776)

8 April, 2015.
Inverkip Pier, Firth of Clyde on the west coast.
2 x 8 mm animals at 7 metres on kelp - several seen at 7 metres. Water temperature 8°C.
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