Philine quadripartita Ascanius, 1772

21 October, 2015.
The Pinnace, Gutter Sound, Scapa Flow in the Orkney Islands.
38 mm + 25 mm animals at 18 metres on and among the red algae mats that contained Limaria hians, the flame shell. Many animals were seen on theses mats during this dive. Water temperature 11°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
OPK - Opistobranquis   sea slug forum