| Specimen ID | 35616 |
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| Group | Fishes |
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| Genus | Gymnocephalus |
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| Species | cernuus |
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| Common Name | ruffe |
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| State | MI |
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| County | Alpena |
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| Locality | Thunder Bay River |
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| HUC8 Name | Thunder Bay |
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| HUC8 Number | 4070006 |
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| Day | 9 |
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| Month | 9 (September) |
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| Year | 1998 |
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| Year Accuracy (Specimen) | Actual |
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| Contact | [not displayed for privacy reasons] |
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| Primary Pathway | shipping ballast water |
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| Status | established |
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| Reference #1 | | Ref. Number | 9360 |
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| Author | Czypinski, G.D., A.K. Hintz, S.M. Keppner, and E. Paleczny |
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| date | 1999 |
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| title | Surveillance for ruffe in the Great Lakes, 1998. |
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| publisher | U.S. Fish and Wildlife Service (in-house report) |
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| issue | May |
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| pages | 27 |
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|
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| Record Type | Literature |
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| Verifier | U.S. Fish and Wildlife Service |
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| Fresh/Marine Introduction | Freshwater |
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| Number Collected/Observed | 46 |
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