Arkansas darter, female, side view photo with black background

    Arkansas Darter

    Etheostoma cragini
    Greenside darter female, side view photo with black background

    Greenside Darter

    Etheostoma blennioides
    Harlequin darter side view photo with black background

    Harlequin Darter

    Etheostoma histrio
    exclamation mark

    Endangered

    Niangua darter female, side view photo with black background

    Niangua Darter

    Etheostoma nianguae
    exclamation mark

    Endangered

    Orangethroat darter female, side view photo with black background

    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