Potamopyrgus antipodarum
Potamopyrgus antipodarum
(New Zealand mudsnail)
Mollusks-Gastropods
Exotic
Collection Info
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Impacts

128 results for Potamopyrgus antipodarum (New Zealand mudsnail)
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Page:123456
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1711989 AZGilaCanyon Creek, near the intersection of E Forest Service Rd. 34 and N O W Ranch Rd.2023 15060103 Upper Salt 
1877645 CAButteFeather River2023 18020159 Honcut Headwaters-Lower Feather 
1877646 CAButteFeather River2023 18020159 Honcut Headwaters-Lower Feather 
1877647 CAButteFeather River2023 18020159 Honcut Headwaters-Lower Feather 
1877648 CAButteFeather River2023 18020159 Honcut Headwaters-Lower Feather 
1877649 CAButteFeather River2023 18020159 Honcut Headwaters-Lower Feather 
1877650 CAButteFeather River2023 18020159 Honcut Headwaters-Lower Feather 
1877622 CAContra CostaHeather Farm Pond2023 18050001 Suisun Bay 
1877652 CAContra CostaMarsh Creek2023 18040003 San Joaquin Delta 
1877651 CAContra CostaMarsh Creek2023 18040003 San Joaquin Delta 
1877623 CAContra CostaYgnacio Canal Trail2023 18050001 Suisun Bay 
1714158 CAEl DoradoLake Tahoe, South Shore, 0.5miles from the mouth of the Upper Truckee River2023 16050101 Lake Tahoe 
1724182 CAHumboldtJacoby Creek2023 18010102 Mad-Redwood 
1753143 CALos AngelesCold Creek near Stunt Road crossing2023 18070104 Santa Monica Bayestablished
1740426 CALos AngelesLas Virgenes Creek near A.E. Wright2023 18070104 Santa Monica Bayestablished
1877619 CALos AngelesMalibu Creek2023 18070104 Santa Monica Bay 
1740427 CALos AngelesMalibu Creek2023 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
1877634 CANapaNapa Creek2023 18050002 San Pablo Bay 
1877621 CANevadaTruckee River2023 16050102 Truckee 
1753147 CAOrangeAliso Creek downstream of Trabuco Rd.2023 18070301 Aliso-San Onofreestablished
1753149 CAOrangeAliso Creek just downstream of 241 crossing2023 18070301 Aliso-San Onofreestablished
1753148 CAOrangeAliso Creek, Iglesias Park2023 18070301 Aliso-San Onofreestablished
1753150 CAOrangeArroyo Trabuco just upstream of Crown Valley Pkwy2023 18070301 Aliso-San Onofreestablished
Page:123456

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 [2/20/2026].

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