Specimen Information

Potamopyrgus antipodarum
Potamopyrgus antipodarum
(New Zealand mudsnail)

Specimen ID1419054
Common NameNew Zealand mudsnail
LocalitySan Leandro Creek approx 100 m east of San Leandro Blvd
Mapping AccuracyAccurate
HUC8 NameSan Francisco Bay
HUC8 Number18050004
HUC10 NameSan Lorenzo Creek-Frontal San Francisco Bay Estuaries
HUC10 Number1805000408
HUC12 NameSan Leandro Creek
HUC12 Number180500040803
Collection Day6
Collection Month6
Collection Year2017
Year AccuracyActual
Potential Pathwayhitch hiker | hitch hiker with stocked fish
Comments28 individuals found in 600-organism subcount from bioassessment sample ID 204R00831 (32 individuals found in duplicate sample from same location) collected using State of CA SWAMP protocol for benthic macroinvertebrates, by AMS for ACCWP. Taxonomy verified by BioAssessment Services.
Record TypeNAS sighting report
Number Collected28


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Citation information: U.S. Geological Survey. [2021]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [11/26/2021].

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.