| Specimen ID | 1419053 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | CA |
| County | Alameda |
| Locality | Arroyo Viejo Creek downstream of Holly St |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Francisco Bay |
| HUC8 Number | 18050004 |
| HUC10 Name | San Lorenzo Creek-Frontal San Francisco Bay Estuaries |
| HUC10 Number | 1805000408 |
| HUC12 Name | Sausal Creek-Frontal San Francisco Bay Estuaries |
| HUC12 Number | 180500040805 |
| Map | |
| Collection Day | 22 |
| Collection Month | 5 |
| Collection Year | 2017 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker | hitch hiker with stocked fish |
| Status | established |
| Comments | 1 individual found in 600-organism subcount from bioassessment sample ID 204R03391 collected using State of CA SWAMP protocol for benthic macroinvertebrates, by AMS for ACCWP. Taxonomy verified by BioAssessment Services. |
| Record Type | NAS sighting report |
| Freshwater/Marine | Freshwater |
| Number Collected | 152 |
