Response Statement - River Redhorse
This freshwater fish species occurs in rivers in densely populated regions of Ontario and Québec. Although collected at new locations in both Ontario and Québec, the species has likely been extirpated from several rivers within its range. It comes close to meeting Threatened criteria due to a small area of occupancy and relatively few locations. Its persistence is limited by barriers to movement, altered flow regimes, turbidity, eutrophication and habitat deterioration from agriculture and industrial activities. The species may become Threatened if these threats are neither reversed nor managed with demonstrable effectiveness.
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Canadian Wildlife Service
351 Boul St-Joseph
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