Tenellia cuanensis (Korshunova et al, 2019)

8 April, 2015.
Inverkip Pier, Firth of Clyde on the west coast.
10 mm animal at 7 metres. Water temperature 8°C.
Sony ?6000  in Nauticam housing, Zeiss 50 mm macro lens and 2 x Inon D-2000 flashes.