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Tag: Western Mosquitofish

The content below has been tagged with the term “Western Mosquitofish.”


  • Tiny fish swim out of a plastic bag aand into a stream
    Information icon Barrens topminnows being released into Short Springs. Photo, Erin Johnson, USFWS.

    Final listing of Barrens topminnow as endangered under Endangered Species Act

    October 18, 2019 | 3 minute read

    What is the Barrens topminnow? The Barrens topminnow is a small, colorful fish that reaches up to four inches in length native only to Tennessee. Barrens topminnows have upturned mouths, flattened heads and backs, and rounded fins with dorsal and anal fins set far back on the body. Males are very showy during the spawning season, with bodies displaying bright, iridescent background colors of greens, blues and reddish orange spots, and their fins colored yellow.  Learn more...


  • A bright green irrodescent fish in a small blue net.
    Information icon Barrens topminnows are small, colorful fish that live only in a few springs and creeks in central Tennessee. The U.S. Fish and Wildlife Service has proposed listing the fish as endangered. Photo by Emily Granstaff, USFWS.

    U.S. Fish and Wildlife Service finalizes rule to protect fish unique to Tennessee under Endangered Species Act

    October 18, 2019 | 2 minute read

    The Barrens topminnow, a beautiful, iridescent fish found only in four Tennessee counties, was listed as endangered under the Endangered Species Act today. The final listing follows a rigorous review of the best available science and information that determined it is in danger of extinction throughout all or a significant portion of its range. The topminnow was once found at 18 sites on Tennessee’s Barrens Plateau, but recent surveys indicate it is down to just five sites.  Read the full story...

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