Image of a Johnny darter fish

    Johnny Darter

    Etheostoma nigrum
    Illustration of an orangethroat darter

    Orangethroat Darter

    Etheostoma spectabile

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