Dendronotus lacteus (Thompson, 1840)

14 August, 2018.
Ziveli Gulley, .75 km east of Cape Wrath on the north coast.
40 mm animal at 15 metres.
Water temperature 12°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