Ancula gibbosa (Risso, 1818)

19 June, 2014.
Garbh Reisa, the Dorus Mor on the west coast.
8 mm animal at 7 m among the kelp at the edge of the channel. Water temperature 11°C.
Sony NEX-5 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
OPK - Opistobranquis

 nudibranchs of the british isles sea slug forum