Specimen Information

Potamopyrgus antipodarum
Potamopyrgus antipodarum
(New Zealand mudsnail)

Specimen ID1613946
Common NameNew Zealand mudsnail
CountyContra Costa
LocalityRefugio Creek, approx. 100 m upstream of Sycamore Ave.
Mapping AccuracyAccurate
HUC8 NameSan Pablo Bay
HUC8 Number18050002
HUC10 NameSan Pablo Creek-Frontal San Pablo Bay Estuaries
HUC10 Number1805000207
HUC12 NamePinole Creek-Frontal San Pablo Bay Estuaries
HUC12 Number180500020702
Collection Day8
Collection Month5
Collection Year2019
Year AccuracyActual
Potential Pathwayhitch hiker
Comments576 individuals found in 600-organism subcount from bioassessment sample ID 206R02560 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 Collected576


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Citation information: U.S. Geological Survey. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [8/11/2022].

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