| Specimen ID | 46190 |
| Group | Fishes |
| Genus | Gymnocephalus |
| Species | cernua |
| Common Name | Ruffe |
| State | WI |
| County | Bayfield |
| Locality | Sioux River (100 yards from mouth), southwest shore of Lake Superior about 5 miles north of Washburn, WI |
| Mapping Accuracy | Accurate |
| HUC8 Name | Beartrap-Nemadji |
| HUC8 Number | 04010301 |
| HUC10 Name | Chequamegon Bay-Frontal Lake Superior |
| HUC10 Number | 0401030110 |
| HUC12 Name | Onion Rivers-Frontal Chequamegon Bay |
| HUC12 Number | 040103011007 |
| Map | |
| Collection Day | 7 |
| Collection Month | 7 |
| Collection Year | 1993 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Record Type | Personal communication |
| Disposal | frozen |
| Verifier | National Biological Survey biologists, Ashland, WI |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
| Size | 54 mm |
