Microchlamylla gracilis (Alder & Hancock, 1844)

9 April, 2006.
Sgeirean Mora, Island of Rhum on the west coast.
These two animals were found with several others nearby on the vertical reef wall at 10 m in 7° C water. The larger animal was approx. 20 mm long. This is var. smagardina identified by Dr. Bernard Picton.
Olympus 5050 camera in PT-015 housing, 2 x Inon D-2000 flashes and CU lens.

for more information about this species go to one of the links below
OPK - Opistobranquis

 nudibranchs of the british isles sea slug forum