Specimen Information

Potamopyrgus antipodarum
Potamopyrgus antipodarum
(New Zealand mudsnail)
Mollusks-Gastropods
Exotic
Collection Info
Point Map
Species Profile
Animated Map
Impacts

Specimen ID1886528
GroupMollusks-Gastropods
GenusPotamopyrgus
Speciesantipodarum
Common NameNew Zealand mudsnail
StateCA
CountySanta Cruz
LocalityBranciforte Creek
Mapping AccuracyAccurate
HUC8 NameMonterey Bay
HUC8 Number18060015
HUC10 NameSan Lorenzo River
HUC10 Number1806001502
HUC12 NameCarbonera Creek-San Lorenzo River
HUC12 Number180600150203
Map
Collection Day25
Collection Month8
Collection Year2025
Year AccuracyActual
Potential Pathwaydispersed | hitch hiker
CommentsSpecies identity confirmed by Thomas Jensen (CDFW). In the shoreline of Branciforte Creek. Observed on the pebble sediment and on rocks.
Record TypeNAS sighting report
VerifierThomas Jensen (CDFW)
Freshwater/MarineFreshwater
Photo
Potamopyrgus antipodarum
Potamopyrgus antipodarum

Disclaimer:

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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/17/2026].

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