| Specimen ID | 46211 |
| Group | Fishes |
| Genus | Gymnocephalus |
| Species | cernua |
| Common Name | Ruffe |
| State | WI |
| County | Douglas |
| Locality | Middle River (near Wentworth, WI) |
| Mapping Accuracy | Accurate |
| HUC8 Name | Beartrap-Nemadji |
| HUC8 Number | 04010301 |
| HUC10 Name | Amnicon River-Frontal Lake Superior |
| HUC10 Number | 0401030106 |
| HUC12 Name | Middle River |
| HUC12 Number | 040103010603 |
| Map | |
| Collection Day | 5 |
| Collection Month | 8 |
| Collection Year | 1996 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Record Type | Personal communication |
| Disposal | ethanol |
| Museum Cat Number | Royal Ont. Museum |
| Verifier | Jon Goldstein, U. of Wisconsin, Madison |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
| Size | 103 mm |
