| Specimen ID | 617901 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | bugensis |
| Common Name | quagga mussel |
| State | CA |
| County | Ventura |
| Locality | Lake Piru |
| Mapping Accuracy | Accurate |
| HUC8 Name | Santa Clara |
| HUC8 Number | 18070102 |
| HUC10 Name | Lower Piru Creek |
| HUC10 Number | 1807010206 |
| HUC12 Name | Lake Piru-Piru Creek |
| HUC12 Number | 180701020603 |
| Map | |
| Collection Day | 18 |
| Collection Month | 12 |
| Collection Year | 2013 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft | dispersed |
| Status | established |
| Comments | See voucher photo. First southern California waterbody with infestation not connected to the Colorado River. |
| Record Type | Personal communication |
| Verifier | California Dept of FW/United Water Conservation Dist. |
| Freshwater/Marine | Freshwater |
| Photo | |
