| Specimen ID | 1401503 |
| Group | Fishes |
| Genus | Gymnocephalus |
| Species | cernua |
| Common Name | Ruffe |
| State | MI |
| County | Houghton |
| Locality | Keweenaw Waterway |
| 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 | 16 |
| Collection Month | 8 |
| Collection Year | 2016 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Reference 1 |
| Ref. Number: | 29895 |
| Author: | Myers, J. |
| Date: | 2017 |
| Title: | Ruffe collection data for 2008-2016. |
| Publisher: | U.S. Fish and Wildlife Service |
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| Record Type | Literature |
| Verifier | U.S. Fish and Wildlife Service |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
