Anomia ephippium Linnaeus, 1758

Author: Steve Wilkinson on 5 December 2009

Description

Fragile shell up to 6.5cm in length. The outside is white, sometimes tinged with pink, in colour. The inside is a similar colour but pearly in appearance. The surface has a 'scaley' sculpture.

Key identification features

  • Upper valve has three distinct muscle scars

Ecology

Lives attached to stones or other shells by a calcified byssus through a hole in lower valve. Filter feeds phytoplankton,

Distribution and status

CommonDistributed from the north of Norway south to the Mediterranean.

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Recorded UK distribution