Potamopyrgus antipodarum
Potamopyrgus antipodarum
(New Zealand mudsnail)
Mollusks-Gastropods
Exotic
Collection Info
Point Map
Species Profile
Animated Map
Impacts

12 results for Potamopyrgus antipodarum (New Zealand mudsnail)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1740361 CASan MateoPescadero Creek near Stage Rd. Crossing2024 18050006 San Francisco Coastal Southestablished
1633085 CASan MateoPilarcitos Creek2016 18050006 San Francisco Coastal Southestablished
1633860 CASan MateoPilarcitos Creek at POST property/HMB Corp Yard2018 18050006 San Francisco Coastal Southestablished
1633087 CASan MateoPilarcitos Creek, adjacent to park on Oak Street2014 18050006 San Francisco Coastal Southestablished
748495 CASan MateoPilarcitos Creek, adjacent to park on Oak Street2014 18050006 San Francisco Coastal Southunknown
1633088 CASan MateoPilarcitos Creek, adjacent to park on Oak Street2014 18050006 San Francisco Coastal Southestablished
1670485 CASan MateoSan Gregorio Creek just below confluence of Clear Creek2021 18050006 San Francisco Coastal Southestablished
1655166 CASan MateoSan Pedro Creek2020 18050006 San Francisco Coastal Southunknown
1655172 CASan MateoSan Pedro Creek2020 18050006 San Francisco Coastal Southunknown
1468936 CASanta CruzLiddell Creek2018 18050006 San Francisco Coastal Southestablished
1695296 CASanta CruzLiddell Creek, Bonny Doon Beach2021 18050006 San Francisco Coastal Southestablished
1695290 CASanta CruzScott Creek, Scott Creek County Beach2021 18050006 San Francisco Coastal Southestablished

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

Disclaimer:

The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/21/2026].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.