| Specimen ID | 1657041 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | CA |
| County | Placer |
| Locality | Bear River |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Bear |
| HUC8 Number | 18020126 |
| HUC10 Name | Lower Bear River |
| HUC10 Number | 1802012605 |
| HUC12 Name | Best Slough-Bear River |
| HUC12 Number | 180201260502 |
| Map
NAS ARM
| |
| Collection Day | 21 |
| Collection Month | 12 |
| Collection Year | 2020 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker | hitch hiker on waterfowl | dispersed |
| Status | established |
| Comments | Observation also on iNaturalist app
South side of river near bank. From Bear River bridge, go under bridge, walk west, pass abandoned vehicle in grass. There is a small opening in the riparian habitat that lead down to the water. Edge of bank has tree trunk that is in the edge of the water. Small calm pool had 1000s P. antipodarum. |
| Record Type | NAS sighting report |
| Verifier | Wesley Daniel (USGS) |
| Freshwater/Marine | Freshwater |
| Number Collected | 1000 |
| Photo | |
