Asian Clam - Corbicula fluminea

    Description

    The outside of the shell is normally greeny-yellow with concentric rings. The colour can flake, leaving white spots. The shells are lightly purple on the inside.

    Identification difficulty
    Habitat

    A freshwater species moving through our river and canal systems

    When to see it

    All year round.

    UK Status

    An invasive species now found in the River Trent system and also the lower Thames, Medway, Great Ouse systems and one site in south Wales near Cardiff. It is likely to occupy all parts of the central English canal basin in next by the mid 2020s.

    VC55 Status

    Recently arrived in Leicestershire and Rutland but likely to be increasing and spreading in our area.

    Leicestershire & Rutland Map

    UK Map