| Specimen ID | 35585 |
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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 city boat launch near MDNR downstream to river mouth, Alpena, MI [Lake Huron] |
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| HUC8 Name | Thunder Bay |
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| HUC8 Number | 4070006 |
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| Latitude | 45.0612564087 |
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| Longitude | -83.4261627197 |
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| Lat-Long Source | Map derived |
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| Lat-Long Accuracy | accurate |
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| Map | |
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| Day | 3 |
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| Month | 9 (September) |
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| Year | 1997 |
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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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| Record Type | Personal communication |
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| Disposal | frozen |
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| Museum Catalog No | USFWS, Alpena, MI |
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| Verifier | USFWS, Alpena, MI |
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| Fresh/Marine Introduction | Freshwater |
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| Number Collected/Observed | 1 |
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| Year Class | juvenile |
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| Specimen Size | 75 mm |
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