| Specimen ID | 46188 |
| Group | Fishes |
| Genus | Gymnocephalus |
| Species | cernua |
| Common Name | Ruffe |
| State | WI |
| County | Ashland |
| Locality | Bad River (100 yards upstream from mouth), southwest shore of Lake Superior about 15 miles east of Ashland. |
| Mapping Accuracy | Accurate |
| HUC8 Name | Bad-Montreal |
| HUC8 Number | 04010302 |
| HUC10 Name | Bad River-Frontal Lake Superior |
| HUC10 Number | 0401030207 |
| HUC12 Name | Bad River-Frontal Lake Superior |
| HUC12 Number | 040103020705 |
| Map | |
| Collection Day | 12 |
| Collection Month | 10 |
| 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 | 2 |
| Year Class | yoy/adlt |
| Size | 47-105 mm |