| Specimen ID | 161261 |
| Group | Fishes |
| Genus | Gymnocephalus |
| Species | cernua |
| Common Name | Ruffe |
| State | MI |
| County | Marquette |
| Locality | Lake Superior in lower Marquette Harbor |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lake Superior |
| HUC8 Number | 04180000 |
| HUC10 Name | Lake Superior |
| HUC10 Number | 0418000002 |
| HUC12 Name | Lake Superior |
| HUC12 Number | 041800000200 |
| Map | |
| Collection Day | 6 |
| Collection Month | 10 |
| Collection Year | 2004 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Comments | This is the eastern-most collection in Lake Superior to date. |
| Record Type | Personal communication |
| Earliest Record | county |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
| Year Class | YOY |
| Size | 41 mm; 0.7g |
| Number Released | 0 |
| Photo | |
