The shell of the fan mussel tapers to a point at the umbos, and is very brittle. It is yellowish to dark brown with blackish … See more

Atrina fragilis has a large (30-48 cm in length by 15-24 cm wide), triangular, thin and fragile shell that tapers to a point. It has two valves that are equal with prominent gaps between the two shells and a hinge on the dors… See more

The most recent records of the rare bivalve Atrina fragilis are from Scotland in deep waters around the Shetland Isles and Orkney, and the west coast of Scotland, with scattered records from north-east Scotland, t… See more

This species lives with the narrow half of its shell anchored in the sediment, but the large part of the fragile shell protrudes from the sea floor. Thus, unfortunately it is vulnerable to damage by fishing trawlers. The specie… See more