Potamopyrgus antipodarum
Potamopyrgus antipodarum
(New Zealand mudsnail)
Mollusks-Gastropods
Exotic
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18 results for Potamopyrgus antipodarum (New Zealand mudsnail)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1753143 CALos AngelesCold Creek near Stunt Road crossing2023 18070104 Santa Monica Bayestablished
242908 CALos AngelesLas Virgenes Creek in Calabasas2005 18070104 Santa Monica Bayestablished
1740426 CALos AngelesLas Virgenes Creek near A.E. Wright2023 18070104 Santa Monica Bayestablished
1687218 CALos AngelesLas Virgenes Reservoir, near docks along northern shoreline2021 18070104 Santa Monica Bayestablished
242910 CALos AngelesLindero Creek in Agoura Hills2005 18070104 Santa Monica Bayestablished
1740427 CALos AngelesMalibu Creek2023 18070104 Santa Monica Bayestablished
1877619 CALos AngelesMalibu Creek2023 18070104 Santa Monica Bay 
242912 CALos AngelesMalibu Creek in Malibu2005 18070104 Santa Monica Bayestablished
1740428 CALos AngelesMalibu Creek in Malibu2023 18070104 Santa Monica Bayestablished
1740425 CALos AngelesMalibu Creek just upstream of Cross Creek Rd. crossing2023 18070104 Santa Monica Bayestablished
1467822 CALos AngelesMalibu Creek State Park2008 18070104 Santa Monica Bayunknown
256629 CALos AngelesMedea Creek [just N of Malibu Lake]2008 18070104 Santa Monica Bayunknown
275930 CALos AngelesMedea Creek Agoura Hills2005 18070104 Santa Monica Bayestablished
242911 CALos AngelesSolstice Creek [near the coast ~ 2 mi W of Malibu]2007 18070104 Santa Monica Bayestablished
256645 CALos AngelesUnnamed creek [~2 mi W of Malibu, bottom of Corral Canyon Road]2008 18070104 Santa Monica Bayunknown
1753135 CAVenturaMedea Creek2023 18070104 Santa Monica Bayestablished
242909 CAVenturaMedea Creek in Agoura Hills2005 18070104 Santa Monica Bayestablished
256628 CAVenturaUnnamed Creek in Oak Park [N of Agoura Hills]2008 18070104 Santa Monica Bayunknown

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 [1/22/2026].

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