Specimen Information

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

Specimen ID1613953
GroupMollusks-Gastropods
GenusPotamopyrgus
Speciesantipodarum
Common NameNew Zealand mudsnail
StateCA
CountyAlameda
LocalityArroyo las Positas, approx. 400 m west of Airway Blvd.
Mapping AccuracyAccurate
HUC8 NameSan Francisco Bay
HUC8 Number18050004
HUC10 NameArroyo Las Positas
HUC10 Number1805000402
HUC12 NameLower Arroyo Las Positas
HUC12 Number180500040203
Map
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Collection Day17
Collection Month6
Collection Year2019
Year AccuracyActual
Potential Pathwayhitch hiker
Statusestablished
Comments475 individuals found in 600-organism subcount from bioassessment sample ID 204R04480 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 Collected475


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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. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [10/7/2024].

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