| Specimen ID | 159143 |
| Group | Fishes |
| Genus | Gymnocephalus |
| Species | cernua |
| Common Name | Ruffe |
| State | WI |
| County | Bayfield |
| Locality | Iron River [near mouth] |
| Mapping Accuracy | Accurate |
| HUC8 Name | Beartrap-Nemadji |
| HUC8 Number | 04010301 |
| HUC10 Name | Iron River-Frontal Lake Superior |
| HUC10 Number | 0401030108 |
| HUC12 Name | Iron River |
| HUC12 Number | 040103010806 |
| Map | |
| Collection Day | 6 |
| Collection Month | 5 |
| Collection Year | 2004 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Comments | Subadults present (42-59 mm TL). |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
| Number Collected | 8 |
| Size | 134 mm max. |
