Specimen Information

Potamopyrgus antipodarum
Potamopyrgus antipodarum
(New Zealand mudsnail)

Specimen ID1613942
Common NameNew Zealand mudsnail
CountyContra Costa
LocalityFranklin Creek, approx. 150 m upstream of Franklin Canyon Rd.
Mapping AccuracyAccurate
HUC8 NameSuisun Bay
HUC8 Number18050001
HUC10 NameMount Diablo Creek-Frontal Suisun Bay Estuaries
HUC10 Number1805000103
HUC12 NameArroyo del Hambre-Frontal Suisun Bay Estuaries
HUC12 Number180500010303
Collection Day9
Collection Month5
Collection Year2019
Year AccuracyActual
Potential Pathwayhitch hiker
Comments7 individuals found in 600-organism subcount from bioassessment sample ID 207R01280 collected using State of CA SWAMP protocol for benthic macroinvertebrates, by AMS for CCCWP. Taxonomy verified by BioAssessment Services.
Record TypeNAS sighting report
VerifierBioAssessment Services
Number Collected7


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Citation information: U.S. Geological Survey. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [8/7/2022].

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