River Snail - Viviparus viviparus

    Alternative names
    Common River Snail

    This species will attain a maximum height of 40 mm, with 5 or 6 whorls. The shell is yellow-green with three distinct brown spiral stripes (that follow the direction of the whorls). The shell is opaque and slightly glossy and has an operculum. The umbilicus (navel) is inconspicuous, occurring only as a groove or notch.

    Similar Species

    Viviparus contectus is very similar but has a sharp apex to the shell, whereas in V. viviparus it is blunt.

    Identification difficulty

    In slowly moving waters, lowland rivers, canals and around the shores of lakes, on muddy substrate, usually not in small isolated standing waters. Requires high oxygen contents.

    When to see it

    All year round.

    UK Status

    Widespread in England, but fewer records from elsewhere in Britain.

    VC55 Status

    Common in Leicestershire and Rutland.

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    Leicestershire & Rutland Map

    MAP KEY:

    Yellow squares = NBN records (all known data)
    Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

    UK Map