| Specimen ID | 1687218 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | CA |
| County | Los Angeles |
| Locality | Las Virgenes Reservoir, near docks along northern shoreline |
| Mapping Accuracy | Accurate |
| HUC8 Name | Santa Monica Bay |
| HUC8 Number | 18070104 |
| HUC10 Name | Malibu Creek |
| HUC10 Number | 1807010401 |
| HUC12 Name | Potrero Valley Creek |
| HUC12 Number | 180701040101 |
| Map | |
| Collection Day | 20 |
| Collection Month | 7 |
| Collection Year | 2021 |
| Year Accuracy | Actual |
| Potential Pathway | dispersed | hitch hiker |
| Status | established |
| Record Type | NAS sighting report |
| Verifier | Dr. Heather Perry, California Dept Fish & Wildlife |
| Freshwater/Marine | Freshwater |
| Number Collected | 15 |
