| Specimen ID | 155894 |
| Group | Fishes |
| Genus | Gymnocephalus |
| Species | cernua |
| Common Name | Ruffe |
| State | MI |
| County | Houghton |
| Locality | Sturgeon River Sloughs [~2 mi ESE of Chassell, MI] |
| Mapping Accuracy | Accurate |
| HUC8 Name | Keweenaw Peninsula |
| HUC8 Number | 04020103 |
| HUC10 Name | Portage Lake |
| HUC10 Number | 0402010303 |
| HUC12 Name | Portage Lake-Portage River |
| HUC12 Number | 040201030307 |
| Map | |
| Collection Day | 4 |
| Collection Month | 9 |
| Collection Year | 2002 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Comments | See voucher photo in file. |
| Record Type | Personal communication |
| Earliest Record | County |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
| Year Class | 1+ |
| Size | 100 mm; 10.8 g |
| Number Preserved | 1 |
| Photo | |
