Potamopyrgus antipodarum
Potamopyrgus antipodarum
(New Zealand mudsnail)

81 results for Potamopyrgus antipodarum (New Zealand mudsnail)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1419056 CAAlamedaArroyo de la Laguna Creek 500 m south of Verona Rd2017 18050004 San Francisco Bayestablished
1419057 CAAlamedaArroyo Las Positas Creek at west end of Las Positas Golf Course2017 18050004 San Francisco Bayestablished
1419055 CAAlamedaArroyo Mocho Creek 80m east of Arroyo Rd2017 18050004 San Francisco Bayestablished
1419053 CAAlamedaArroyo Viejo Creek downstream of Holly St2017 18050004 San Francisco Bayestablished
1419054 CAAlamedaSan Leandro Creek approx 100 m east of San Leandro Blvd2017 18050004 San Francisco Bayestablished
1419052 CAAlamedaWard Creek upstream of Zeile Court2017 18050004 San Francisco Bayestablished
1420700 CAContra CostaGrayson Creek 30m north of Pacheco Blvd2017 18050001 Suisun Bayestablished
1420692 CAContra CostaMt. Diablo Creek East of Ayers Road2017 18050001 Suisun Bayestablished
1409688 CAContra CostaMt. Diablo Creek, north of Clayton Library adjacent to public trail2017 18050001 Suisun Bayestablished
1420701 CAContra CostaPine Creek approx. 200m northwest of Sunshine Drive2017 18050001 Suisun Bayestablished
1420699 CAContra CostaSan Ramon Creek approx. 500m northwest of Livorna Rd.2017 18050001 Suisun Bayestablished
1420694 CAContra CostaSycamore Creek Approx. 70m west of Morninghome Road2017 18050001 Suisun Bayestablished
1420693 CAContra CostaTributary of Walnut Creek approx. 500m East of SR 2422017 18050001 Suisun Bayestablished
1420745 CAMontereyCarmel River at Valley Greens Drive crossing in Carmel2017 18060006 Central Coastalestablished
1419038 CAMontereyCarmel River, above Robinson Canyon Road crossing2017 18060006 Central Coastalunknown
1420744 CAMontereyCarmel River, at Hwy 1 crossing in Carmel2017 18060006 Central Coastalestablished
1633857 CASan MateoBelmont Creek at Twin Pines Park2017 18050004 San Francisco Bayunknown
1633856 CASan MateoSan Mateo Creek at conf Polehemus Creek2017 18050004 San Francisco Bayunknown
1633858 CASan MateoSan Mateo Creek at De Anza Park2017 18050004 San Francisco Bayunknown
1633090 CASanta ClaraMatadero Creek, at Ross Rd2017 18050003 Coyoteestablished
1633091 CASanta ClaraSaratoga Creek upstream via Real2017 18050003 Coyoteunknown
1633092 CASanta ClaraStevens Creek, at Barranca Dr2017 18050003 Coyoteestablished
1337415 CAVenturaArroyo Simi2017 18070103 Calleguasunknown
1399876 CAVenturaVentura River, approximately a quarter mile upstream of the Robles Diversion2017 18070101 Venturaunknown
1420772 COBoulderFourmile Canyon Creek2017 10190005 St. Vrainestablished

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 [10/16/2021].

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.