Range reduction of the Appalachia Darter in the lower New River drainage with comments on the status of endemic fishes.

The Appalachia Darter, Percina gymnocephala, is an endemic fish of the New River drainage in North Carolina, Virginia, and West Virginia. Within lower watershed, this species has a limited distribution range Gauley Greenbrier river drainages, conservation could benefit from population status threat assessments. We documented temporal changes based on historic current survey data. reduction Darter consistent with patterns found for other endemics, including Candy Shiner, Kanawha Minnow. endemics Virginia waters likely multiple causes, where threats include land use, impacts to habitat water quality, nonnative species.