Specimen Information

Potamopyrgus antipodarum
Potamopyrgus antipodarum
(New Zealand mudsnail)
Mollusks-Gastropods
Exotic

Specimen ID1613948
GroupMollusks-Gastropods
GenusPotamopyrgus
Speciesantipodarum
Common NameNew Zealand mudsnail
StateCA
CountyAlameda
LocalityArroyo Mocho, approx. 1200 m upstream of Concannon Blvd.
Mapping AccuracyAccurate
HUC8 NameSan Francisco Bay
HUC8 Number18050004
HUC10 NameArroyo Mocho
HUC10 Number1805000403
HUC12 NameLower Arroyo Mocho
HUC12 Number180500040302
Map
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Collection Day30
Collection Month4
Collection Year2019
Year AccuracyActual
Potential Pathwayhitch hiker
Statusestablished
Comments32 individuals found in 600-organism subcount from bioassessment sample ID 204R01241 collected using State of CA SWAMP protocol for benthic macroinvertebrates, by AMS for ACCWP. Taxonomy verified by BioAssessment Services.
Record TypeNAS sighting report
VerifierBioAssessment Services
Freshwater/MarineFreshwater
Number Collected322


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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. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [8/7/2022].

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