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Tritonia hombergii Cuvier, 1803

4 April, 2015.
Rubh an Dunain, Skye on the west coast.
48 mm animal at 15 metres. Water temperature 6°C.
Sony α6000  in Nauticam housing, Zeiss 50 mm macro lens and 2 x Inon D-2000 flashes.

for more information about this species go to one of the links below
OPK - Opistobranquis nudibranchs of the british isles sea slug forum