| Specimen ID | 1418789 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | rostriformis |
| Subspecies | bugensis |
| Common Name | quagga mussel |
| State | CA |
| County | Ventura |
| Locality | Santa Clara River, 12th Street Bridge on the second abutment from the south |
| Mapping Accuracy | Accurate |
| HUC8 Name | Santa Clara |
| HUC8 Number | 18070102 |
| HUC10 Name | Lower Santa Clara River |
| HUC10 Number | 1807010209 |
| HUC12 Name | Adams Canyon-Santa Clara River |
| HUC12 Number | 180701020903 |
| Map | |
| Collection Day | 23 |
| Collection Month | 8 |
| Collection Year | 2017 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft | dispersed |
| Status | unknown |
| Comments | Twelve adult quagga mussels were detected in a narrow channel created by one of two manmade diversions at that location. |
| Record Type | NAS sighting report |
| Verifier | United Water Conservation District |
| Freshwater/Marine | Freshwater |
| Number Collected | 12 |
| Photo | |
