Shiny Glass Snail - Zonitoides nitidus


    The shell is 6 to 7 mm wide, 3.5 to 4 mm high, dark brown and shiny. The shell has irregular, low wrinkle-like striae and a total of 4 1/2 to 5 whorls. The body of the snail is black with a dull orange spot on the mantle. This orange spot can be seen through the shell in contracted individuals.

    Identification difficulty
    ID guidance
    • 6-7mm
    • dark brown, shiny shell
    • black body
    • orange spot on the mantle visible through the shell
    Recording advice

    Unless identified by a recognised expert, a photo should be attached which shows the characteristic orange spot or in the comments box, describe the size and identifying characters.


    This species generally lives damper areas such as marshes, greenhouses and wet areas along the edges of rivers, lakes and ponds where it can be found under wood, rocks, and vegetation.

    When to see it

    All year round.

    Life History

    These snails are carnivores and have been noted to be cannibals. This species reproduces mainly by self-fertilization.

    UK Status

    Widespread in Britain, though less common in northern England and Scotland.

    VC55 Status

    Status in Leicestershire and Rutland not known.

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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