Adults inhabit shallow sandy and silty runs and pools of headwaters, creeks and small to medium rivers . Migratory behaviour is undetermined .
Physical description for Bigmouth shiner is currently being compiled.
Behavioural data for Bigmouth shiner is currently being reviewed.
Freshwater; benthopelagic. Temperate; 50°N - 37°N North America: Great Lakes, Hudson Bay (Red River) and Mississippi River basins from Michigan, USA to Manitoba, Canada and from eastern Illinois to Platte River system in Wyoming and Colorado, USA; disjunct populations in western New York and Pennsylvania, West Virginia, Ohio and Michigan, USA.
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