| Specimen ID | 240682 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | rostriformis |
| Subspecies | bugensis |
| Common Name | quagga mussel |
| State | CA |
| County | San Diego |
| Locality | Lower Otay Lake [just SE of San Diego] |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Diego |
| HUC8 Number | 18070304 |
| HUC10 Name | Otay River |
| HUC10 Number | 1807030410 |
| HUC12 Name | Poggi Canyon-Otay River |
| HUC12 Number | 180703041004 |
| Map | |
| Collection Day | 20 |
| Collection Month | 9 |
| Collection Year | 2007 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | Veligers are arriving from Lake Mead via the San Diego County Water Authority aqueduct. |
| Record Type | NAS sighting report |
| Freshwater/Marine | Freshwater |
| Number Collected | 4 |
| Year Class | juvenile/adult |
| Size | 6 - 11 mm |
