| Specimen ID | 35377 |
| Group | Fishes |
| Genus | Gymnocephalus |
| Species | cernua |
| Common Name | Ruffe |
| State | MI |
| County | Gogebic |
| Locality | Black River, a tributary to Lake Superior, just upstream from the mouth |
| Mapping Accuracy | Accurate |
| HUC8 Name | Black-Presque Isle |
| HUC8 Number | 04020101 |
| HUC10 Name | Black River |
| HUC10 Number | 0402010102 |
| HUC12 Name | Sand Island Creek-Black River |
| HUC12 Number | 040201010206 |
| Map | |
| Collection Day | 25 |
| Collection Month | 8 |
| Collection Year | 1994 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Record Type | Personal communication |
| Earliest Record | state |
| Disposal | frozen |
| Verifier | US Fish and Wildlife Service, Ashland WI 715-682-6 |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
| Size | 90 mm |