| Specimen ID | 238687 |
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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 | Houghton |
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| Locality | Keweenaw Waterway (Pike Bay) [near Houghton, MI] |
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| HUC8 Name | Keweenaw Peninsula |
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| HUC8 Number | 4020103 |
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| Latitude | 47.0271505 |
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| Longitude | -88.517068 |
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| Lat-Long Source | GNIS |
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| Lat-Long Accuracy | accurate |
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| Map | |
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| Day | 26 |
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| Month | 9 (September) |
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| Year | 2006 |
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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 | 16140 |
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| Author | Czypinski, G. D., A. K. Bowen, M. A. Goehle and B. Brownson |
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| date | 2007 |
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| title | Surveillance for ruffe in the Great Lakes, 2006. |
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| publisher | U.S. Fish and Wildlife Service, Ashland, WI |
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|
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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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