In Apr. 2010 white suckers (Catostomus commersoni) were observed spawning in the small tributary to a constructed stormwater pond on the Virginia Polytechnic Institute and State University campus. The tributary is the only direct input to the pond and provides perennial flow. We documented spawning activity, habitat characteristics, habitat use, and verified spawning success based on egg fertilization, hatching, and larval drift. The water temperature, substrate, and gradient characteristics of this stream were similar to those reports for white sucker spawning sites elsewhere in unimpaired systems. This study demonstrates that white suckers can persist in what might be considered substandard stream habitat in an urbanizing environment. By extension, other freshwater fishes may find suitable habitats in such engineered ecosystems if ecological considerations are incorporated in the design phase of planning and construction.
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