| Specimen ID | 1753150 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | CA |
| County | Orange |
| Locality | Arroyo Trabuco just upstream of Crown Valley Pkwy |
| Mapping Accuracy | Accurate |
| HUC8 Name | Aliso-San Onofre |
| HUC8 Number | 18070301 |
| HUC10 Name | San Juan Creek |
| HUC10 Number | 1807030101 |
| HUC12 Name | Arroyo Trabuco |
| HUC12 Number | 180703010103 |
| Map | |
| Collection Day | 17 |
| Collection Month | 5 |
| Collection Year | 2023 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker |
| Status | established |
| Record Type | NAS sighting report |
| Verifier | WL Willis, Aquatic Bioassay and Consulting Laboratories |
| Number Collected | 19 |
