Illustration of a redfin darter male in breeding colors.

    Redfin Darter

    Etheostoma whipplei
    exclamation mark

    Endangered

See Also

Photo of a three-toed amphiuma in an aquarium.

Three-Toed Amphiuma

Amphiuma tridactylum
Photo of researcher holding a gilled siren

Western Lesser Siren

Siren intermedia nettingi