| Specimen ID | 156024 |
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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 | Delta |
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| Locality | Lake Michigan, Little Bay de Noc at Escanaba Harbor, Escanaba, MI (Upper Peninsula) |
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| HUC8 Name | Tacoosh-Whitefish |
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| HUC8 Number | 4030111 |
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| Day | 9 |
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| Month | 10 (October) |
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| Year | 2002 |
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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 | 13842 |
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| Author | Czypinski, G. D., A. K. Bowen, M. P. Sowinski, and B. MacKay. |
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| date | 2003 |
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| title | Surveillance for ruffe in the Great Lakes, 2002. |
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| publisher | U.S. Fish and Wildlife Service |
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| pages | 35 p. |
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| Record Type | Literature |
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| Fresh/Marine Introduction | Freshwater |
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| Number Collected/Observed | 1 |
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| Year Class | adult |
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| Specimen Size | 151 mm |
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| Specimen Images: | |
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