Philine quadripartita Ascanius, 1772

26 June, 2017.
Soay Beag, West Loch Tarbert, Harris on the west coast .
30 mm animal with spawn, one of many, at 24 metres.
Water temperature 12°C.
Sony α6000  in Nauticam housing, 50 mm Zeiss 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