Arkansas Darter Male

    Arkansas Darter

    Etheostoma cragini
    Illustration of a Niangua darter

    Niangua Darter

    Etheostoma nianguae
    exclamation mark

    Endangered

    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