Species: Potamopyrgus antipodarum

New Zealand Mudsnail
Species
    Kingdom
    Animalia
    Phylum
    Mollusca
    Class

    Gastropoda

    Order

    Neotaenioglossa

    Family

    Hydrobiidae

    Genus

    Potamopyrgus

    Classification
    Informal Taxonomy
    Animals, Invertebrates - Mollusks - Freshwater Snails
    Formal Taxonomy
    Animalia - Mollusca - Gastropoda - Neotaenioglossa - Hydrobiidae - Potamopyrgus
    Short General Description
    a freshwater snail
    Habitat Type Description
    Freshwater
    Migration
    false - false - false - Well suited to passive dispersal by birds (Zaranko et al., 1997) and can pass through fish alimentary canal alive.
    Non-migrant
    false
    Locally Migrant
    false
    Reproduction Comments
    High reproductive capacity in that it is ovoviviparous or populations may be entirely parthenogenic. Only females noted in Lake Ontario (Zaranko et al., 1997). Annual life cycle and reaches sexual maturity at 3.5 mm and can produce an average of 230 juveniles per year.
    Length
    1.2
    NatureServe Global Status Rank
    G5
    Global Status Last Reviewed
    2005-04-01
    Global Status Last Changed
    2000-10-19
    Conservation Status Map
    <img src="http://www.natureserve.org/explorer/servlet/GetMapGif?CA.BC=SE&CA.ON=SE&US.AZ=SE&US.CA=SE&US.ID=SE&US.MN=SE&US.MT=SE&US.NY=SE&US.OR=SE&US.UT=SE&US.WA=SE&US.WY=SE" alt="Conservation Status Map" style="width: 475px; height: auto;" />
    Global Range
    H - >2,500,000 square km (greater than 1,000,000 square miles) - H - Native to New Zealand. Introduced to Europe in the 1800's where it is now widespread. Introduced into the Snake River system (Idaho) in North America (first appeared in 1987) and is now present in the Great Lakes and Madison and Missouri rivers (Howells 1999). Since spread to nearly a dozen sites in Lake Ontario (Zaranko et al., 1997). Kerans et al. (2005) list it from Idaho, Great Lakes, California, Wyoming, Montana. Recently introduced to Duluth-Superior Harbor in Duluth, Minnesota (MN DNR, 1 May 2006 news release).
    Global Range Code
    H
    Global Range Description
    >2,500,000 square km (greater than 1,000,000 square miles)
    ELEMENT_GLOBAL.2.116164