| Specimen ID | 159426 |
| Group | Fishes |
| Genus | Gymnocephalus |
| Species | cernua |
| Common Name | Ruffe |
| State | MI |
| County | Alpena |
| Locality | Thunder Bay - within ship channel |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lake Huron |
| HUC8 Number | 04240002 |
| HUC10 Name | Lake Huron |
| HUC10 Number | 0424000202 |
| HUC12 Name | Lake Huron |
| HUC12 Number | 042400020200 |
| Map | |
| Collection Day | 20 |
| Collection Month | 9 |
| Collection Year | 2000 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Record Type | Personal communication |
| Disposal | frozen |
| Verifier | Bowen, Anjie |
| Freshwater/Marine | Freshwater |
| Number Collected | 3 |
| Size | 92 - 141 mm |
