| Specimen ID | 46166 |
| Group | Fishes |
| Genus | Gymnocephalus |
| Species | cernua |
| Common Name | Ruffe |
| State | WI |
| County | Douglas |
| Locality | St. Louis estuary and the Lake Superior Duluth Harbor |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lake Superior |
| HUC8 Number | 04180000 |
| HUC10 Name | Saint Louis River |
| HUC10 Number | 0418000002 |
| HUC12 Name | Saint Louis River |
| HUC12 Number | 041800000200 |
| Map | |
| Collection Year | 1987 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Comments | Status being monitored by Great Lakes Lab, USFWS, Jon Stanley |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
