Aplysia punctata (Cuvier, 1803)

1 March , 2011.
Portencross Pier, Firth of Clyde on the west coast. 
Top: 85 mm animal on the rocky bottom below the pier at 5 m.
Bottom: 55 mm animal on a pier leg at 3.5 m.
There were many animals on the rocks and pier legs from 2.5 to 5 m.
Water temperature 6°C.
Sony NEX-5 in Nauticam housing, 18-55mm lens and 2 x Inon D-2000 flashes.