| Specimen ID | 4328 |
| Group | Crustaceans-Copepods |
| Genus | Limnoithona |
| Species | sinensis |
| Common Name | Asian copepod |
| State | OR |
| Locality | Columbia River Estuary |
| Mapping Accuracy | Approximate |
| HUC8 Name | Lower Columbia |
| HUC8 Number | 17080006 |
| Map | |
| Collection Year | 1990 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Comments | present in small numbers since 1990 |
| Record Type | Personal communication |
| Freshwater/Marine | Marine |
