Bigmouth shiner (Notropis dorsalis) COSEWIC assessment and status report: chapter 11
Special Signifcance of the Species
Stewart pers. comm., state that the bigmouth shiner has no direct economic importance outside of its ecological role in stream habitats. It is, however, used as bait fish in several states including Colorado (Beckman 1953) and Iowa (Iowa Department of Natural Resources web site).
Tompkins (1987) suggested that the three subspecies of Notropis dorsalis are of interest scientifically, as they represent geographically isolated populations.
As with several cyprinids and other non-game fish species, very little information is known about basic life history parameters and biological requirements of the bigmouth shiner. In the 2002-2003 fiscal year, the bigmouth shiner has been targeted for study under the Habitat Stewardship Program (Environment Canada 2003). The species will be studied in the following projects: Sturgeon Creek; Integrated Conservation Agreements; and the Riding Mountain Biosphere Project and Manitoba Tall Grass Prairie Preserve.
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