Jenkins' Spire Snail - Potamopyrgus antipodarum

    Alternative names
    New Zealand Mudsnail

    5.5mm. This small freshwater snail has an operculum. It has a right-handed coiling, elongated shell with 7 or 8 whorls separated by deep grooves and small spines sometimes occur on the widest part of each whorl. The mouth aperture is oval, or pointed oval (almond-shaped), and its height is less than the height of the spire. The mouth also protrudes slightly from the main shell.

    Identification difficulty

    Fresh and brackish water habitats.

    When to see it

    All year round.

    UK Status

    An invasive species now widespread and frequent in most of Britain.

    VC55 Status

    Frequent 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