Potamopyrgus antipodarum
Potamopyrgus antipodarum
(New Zealand mudsnail)

34 results for Potamopyrgus antipodarum (New Zealand mudsnail)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1651377 CAAlamedaAlameda Creek, approx 350m downstream of Isherwood Way2020 18050004 San Francisco Bayestablished
1651376 CAAlamedaAlameda Creek, just below BART weir2020 18050004 San Francisco Bayestablished
1651623 CAAlamedaAlamo Canal, approx 500m upstream of Dublin Blvd2020 18050004 San Francisco Bayestablished
1651622 CAAlamedaArroyo de la Laguna, approx 500m downstream of Niles Canyon Rd2020 18050004 San Francisco Bayestablished
1651626 CAAlamedaArroyo Las Positas, approx 350m west of Portola Ave2020 18050004 San Francisco Bayestablished
1651372 CAAlamedaChabot Canal just south of Gibraltar Drive2020 18050004 San Francisco Bayestablished
1651371 CAAlamedaKottinger Creek upstream of Adams Way2020 18050004 San Francisco Bayestablished
1651625 CAAlamedaLaguna Creek, approx 150m below confluence with Zone 6 Line J2020 18050004 San Francisco Bayestablished
1651373 CAAlamedaPlummer Creek, approx 80m upstream of Birch St2020 18050004 San Francisco Bayestablished
1651375 CAAlamedaSabercat Creek, approx 100m east of Via Orinda.2020 18050004 San Francisco Bayestablished
1651374 CAAlamedaSabercat Creek, approx 100m upstream of I-6802020 18050004 San Francisco Bayestablished
1651508 CAAlamedaSan Lorenzo Creek 150 m downstream of Don Castro Spillway plunge pool2020 18050004 San Francisco Bayestablished
1651620 CAAlamedaSouth San Ramon Creek approx 75m upstream of Amador Valley Blvd2020 18050004 San Francisco Bayestablished
1651390 CAAlamedaUpper Alameda Creek approx 1700m downstream of Calaveras Rd.2020 18050004 San Francisco Bayestablished
1651627 CAAlamedaUpper Alameda Creek, approx 1500m upstream of I-6802020 18050004 San Francisco Bayestablished
1651624 CAAlamedaZone 6, Line G, approx 550 m upstream of Automall Pkwy2020 18050004 San Francisco Bayestablished
1655240 CAHumboldtMad River at mouth of Lindsay Creek2020 18010102 Mad-Redwoodestablished
1657398 CAHumboldtMad River at mouth of Lindsay Creek2020 18010102 Mad-Redwoodestablished
1657396 CAHumboldtMad River, upstream side of County Boat Ramp apron near mouth2020 18010102 Mad-Redwoodestablished
1635351 CAMarinWalker Creek at the downstream end of the Walker Creek Ranch2020 18050005 Tomales-Drake Baysunknown
1657041 CAPlacerBear River2020 18020126 Upper Bearestablished
1655238 CASacramentoAmerican River2020 18020111 Lower Americanestablished
1655239 CASacramentoAmerican River, opposite hatchery [near Nimbus]2020 18020111 Lower Americanestablished
1655170 CASan MateoLaurel Creek2020 18050004 San Francisco Bayunknown
1655171 CASan MateoSan Mateo Creek2020 18050004 San Francisco 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.


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. [2021]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [6/24/2021].

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 queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.