| Specimen ID | 1336025 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | rostriformis |
| Subspecies | bugensis |
| Common Name | quagga mussel |
| State | CA |
| County | Los Angeles |
| Locality | Elderberry Forebay |
| Mapping Accuracy | Accurate |
| HUC8 Name | Santa Clara |
| HUC8 Number | 18070102 |
| HUC10 Name | Castaic Creek |
| HUC10 Number | 1807010203 |
| HUC12 Name | Middle Castaic Creek |
| HUC12 Number | 180701020305 |
| Map | |
| Collection Day | 14 |
| Collection Month | 12 |
| Collection Year | 2016 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft | dispersed |
| Status | unknown |
| Comments | Two adult mussels were observed in Elderberry Forebay. The observation was made via surface surveys. |
| Record Type | NAS sighting report |
| Verifier | Los Angeles Department of Water and Power |
| Freshwater/Marine | Freshwater |
| Number Collected | 2 |
| Year Class | adult |
