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

31 results for Potamopyrgus antipodarum (New Zealand mudsnail)
Download Data
Click here for listing in all states

Page:12
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1877663 CAAlamedaLake Temescal2024 18050002 San Pablo Bay 
1877669 CAAlamedaLake Temescal2024 18050002 San Pablo Bay 
748570 CAAlamedaStrawberry Creek Park, 1260 Allston Way, Berkeley2014 18050002 San Pablo Bayunknown
744962 CAAlamedaunnamed creek in Berkley2014 18050002 San Pablo Bayestablished
1522519 CAContra CostaAppian Creek tributary to San Pablo Creek, El Sobrante.2018 18050002 San Pablo Bayestablished
263497 CAContra CostaBaxter Creek, in Booker T. Anderson Jr. Park, Richmond2009 18050002 San Pablo Bayestablished
1320993 CAContra CostaOhlone Creek near Turquoise Dr2016 18050002 San Pablo Bayestablished
1613946 CAContra CostaRefugio Creek, approx. 100 m upstream of Sycamore Ave.2019 18050002 San Pablo Bayestablished
1613945 CAContra CostaRefugio Creek, approx. 200 m upstream of Coronado St.2019 18050002 San Pablo Bayestablished
1695353 CAContra CostaRefugio Creek, east of Scupper Court2021 18050002 San Pablo Bayestablished
1613944 CAContra CostaRodeo Creek, approx. 200 m downstream of 7th St.2019 18050002 San Pablo Bayestablished
744964 CAContra CostaSan Pablo Creek in San Pablo2014 18050002 San Pablo Bayestablished
1695348 CAContra CostaSan Pablo Creek, 400 m northwest of Miner Rd2021 18050002 San Pablo Bayestablished
744965 CAContra Costaunnamed tributary of San Pablo Creek, east of San Pablo2014 18050002 San Pablo Bayestablished
1468794 CAContra CostaWildcat Creek approx 100 m upstream of Rumrill Blvd2018 18050002 San Pablo Bayestablished
1877692 CAMarinNovato Creek2024 18050002 San Pablo Bay 
1633834 CAMarinNovato Creek, downstream of the Novato Fair Shopping Center bridge2012 18050002 San Pablo Bayunknown
615285 CAMarinSan Anselmo Creek, upstream and downstream observations near Pastori Avenue Bridge, in Fairfax2013 18050002 San Pablo Bayestablished
275376 CANapaLower Napa River2004 18050002 San Pablo Bayestablished
1703886 CANapaMilliken Creek2022 18050002 San Pablo Bayestablished
1877634 CANapaNapa Creek2023 18050002 San Pablo Bay 
256606 CANapaNapa River [in Napa]2008 18050002 San Pablo Bayunknown
160867 CANapaNapa River [just S of Napa]2004 18050002 San Pablo Bayestablished
273099 CANapaNapa River at the Yountville Ecological Preserve2010 18050002 San Pablo Bayestablished
1703890 CANapaNapa River Ecological Preserve2022 18050002 San Pablo Bayestablished
Page:12

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].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.

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