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Nonindigenous fishes - Ictiobus niger - English
URL: http://nas.er.usgs.gov/fishes/accounts/catostom/ic_niger.html

Native Range: Lower Great Lakes and Mississippi River basins from Michigan and Ohio to South Dakota and south to Louisiana; on Gulf Slope in Sabine Lake, Brazos River, and Rio Grande drainages in Louisiana, Texas, New Mexico, and Mexico.

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Revision of the Ictiobinae: Ictiobus - English
URL: http://www.museum.tulane.edu/ictiobin/ictiobus.html

In Ichthyologia Ohiensis Rafinesque (1820: 111) described Ictiobus as a subgenus under genus Catostomus, but distinguished the group as having a nearly cylindrical body. Into this group he described two new species: Catostomus bubalus and C. niger. C. bubalus was described as having a sloping head, rounded snout, small eyes, large scales and an olivaceous brown coloring, with black and brown fins.

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Nonindigenous fishes - Ictiobus cyprinellus - English
URL: http://nas.er.usgs.gov/fishes/accounts/catostom/ic_cypri.html

Native Range: Hudson Bay (Nelson River drainage), lower Great Lakes, and Mississippi River basins from Ontario to Saskatchewan and Montana, and south to Louisiana.

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Ictiobus niger images - English
URL: http://www.utexas.edu/depts/tnhc/.www/fish/tnhc/na/catostom/ictiobus/iniger__/i_

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