Polycera quadrilineata(Müller, 1776)
8 July, 2015.
Leehinish, Sandray in the Outer Hebrides on the west coast of Scotland.
10 x 12-22 mm animals feeding on the encrusting bryozoan Membranipora membranacea on kelp blade at 10 metres.
Water temperature 11°C.
Sony α6000 in Nauticam housing, 18-55 mm lens and 2 x Inon D-2000 flashes.
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