River chub

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(Zool.) the hornyhead and allied species of fresh-water fishes.

See also: River

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There is nothing to suggest that the Brazos River chub shiner population operated as a source-sink dynamic before fragmentation of the mainstem channel; however, chub shiner has declined in abundance in the regulated middle and upper Brazos River as well (G.
The chub in question came from a stillwater and, of course, did not have to constantly fight the current all day as river fish do, and therefore would be likely to get fatter than your average river chub.
Notropis rubricroceus was reported by Outten (1958) to form spawning groups over the nests of river chubs (Nocomis micropogon) in North Carolina.