Eubranchus pallidus (Alder & Hancock, 1842)

6 June, 2015.
The Skellys, St Abbs on the east coast.
15 mm animal at 12 metres. This species was abundant throughout the dive. Water temperature 9°C.
Sony ?6000  in Nauticam housing, Zeiss 50 mm macro lens and 2 x Inon D-2000 flashes.