| Specimen ID | 156409 |
| Group | Fishes |
| Genus | Gymnocephalus |
| Species | cernua |
| Common Name | Ruffe |
| State | MI |
| County | Ontonagon |
| Locality | Ontonagon River |
| Mapping Accuracy | Approximate |
| HUC8 Name | Ontonagon |
| HUC8 Number | 04020102 |
| Map | |
| Collection Day | 9 |
| Collection Month | 5 |
| Collection Year | 2001 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Reference 1 |
| Ref. Number: | 13437 |
| Author: | Czypinski, G.D., A.K. Bowen, M.T. Weimer, and A. Dextrase. |
| Date: | 2002 |
| Title: | Surveillance for ruffe in the Great Lakes, 2001. |
| Publisher: | US Fish and Wildlife Service, Ashland, WI. |
| Pages: | 36 p |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
| Number Collected | 3 |
