Doto hystrix Picton & Brown, 1981

4 August, 2016.
Loch Eishort, Skye on the west coast .
10 mm animal at 21 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
  nudibranchs of the british isles sea slug forum