Onchidoris bilamellata (Linnaeus, 1767)

19 August, 2001.
Rubh Na Crannaig off the island of Eigg in the Inner Hebrides on the west coast. 
Water temperature 13 deg C. From 15 to 24 metres there were thousands of these small Dorids breeding and spawning on rock surfaces over a distance of 200 metres. How many more there must have been in the vicinity?
Nikonos 5 with 35 mm lens, 2:1 extension tubes and Ikelite 50 flash.

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scottish nudibranchs

 nudibranchs of the british isles sea slug forum