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Catostomidae; Introduced organisms; Otter Tail River (Minn.)


On June 3, 1973 several specimens of the Northern Hog Sucker (Hypentelium nigricans), were collected from a six-mile stretch of the Ottertail River, Aurdal Township, Ottertail County in Minnesota. Previous to this the Northern Hog Sucker has never been collected or reported from the Red River drainage, of which the Ottertail River is a part, nor from Upper Mississippi River Basin adjacent to the Red River drainage. As far back as 1907 researchers erroneously reported the Northern Hog Sucker from the Upper Mississippi River Basin.

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