27 August, 2018.
Rubh a Chroisein, island of Muck on the west coast .
25 mm animal at 20 metres. One of 5 specimens seen at similar depths on this dive.
Water temperature 7°C.
Sony α6000 in Nauticam housing, 50 mm Zeiss lens and 2 x Inon D-2000 flashes.
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