| Specimen ID | 159124 |
| Group | Fishes |
| Genus | Gymnocephalus |
| Species | cernua |
| Common Name | Ruffe |
| State | MI |
| County | Alpena |
| Locality | Thunder Bay River |
| Mapping Accuracy | Approximate |
| HUC8 Name | Thunder Bay |
| HUC8 Number | 04070006 |
| Map | |
| Collection Day | 24 |
| Collection Month | 4 |
| Collection Year | 2003 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Reference 1 |
| Ref. Number: | 13848 |
| Author: | Czypinski, G.D., A.K. Bowen, M.A. Goehle, S. Cogswell, and B. MacKay. |
| Date: | 2004 |
| Title: | Surveillance for ruffe in the Great Lakes, 2003. |
| Publisher: | US Fish and Wildlife Service. |
| Pages: | 41 p |
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| Comments | Collection period lasted from April 24 - June 17, 2003. |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
| Number Collected | 10 |
