| Specimen ID | 35378 |
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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 | Ontonagon |
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| Locality | Ontonagon River, a tributary of Lake Superior, just upstream from the mouth |
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| HUC8 Name | Ontonagon |
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| HUC8 Number | 4020102 |
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| Latitude | 46.8653106689 |
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| Longitude | -89.3067398071 |
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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 | 1 |
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| Month | 9 (September) |
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| Year | 1994 |
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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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| Verifier | US Fish and Wildlife Service, Ashland WI 715-682-6 |
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| Fresh/Marine Introduction | Freshwater |
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| Number Collected/Observed | 1 |
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| Specimen Size | 93 mm |
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