Polycera quadrilineata(Müller, 1776)
8 August, 2015.
Skelly's Hole, St. Abbs on the east coast.
2 x 15 mm animals at 9 metres. Water temperature 13°C.
Sony α6000 in Nauticam housing, Zeiss 50 mm macro lens and 2 x Inon D-2000 flashes.
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