| Specimen ID | 1399876 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | CA |
| County | Ventura |
| Locality | Ventura River, approximately a quarter mile upstream of the Robles Diversion |
| Mapping Accuracy | Accurate |
| HUC8 Name | Ventura |
| HUC8 Number | 18070101 |
| HUC10 Name | Ventura River |
| HUC10 Number | 1807010101 |
| HUC12 Name | Upper Ventura River |
| HUC12 Number | 180701010104 |
| Map | |
| Collection Day | 19 |
| Collection Month | 4 |
| Collection Year | 2017 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | unknown |
| Comments | Additional pockets were found upstream of the location listed above until the confluence of Matilija and North Fork Matilija Creeks. |
| Record Type | NAS sighting report |
| Verifier | California Department of Fish & Wildlife |
| Freshwater/Marine | Freshwater |
