Image of an american eel

    American Eel

    Anguilla rostrata
    Image of a black bullhead

    Black Bullhead

    Ameiurus melas
    Image of a chestnut lamprey

    Chestnut Lamprey

    Ichthyomyzon castaneus
    Illustration of an adult flathead catfish

    Flathead Catfish

    Pylodictis olivaris
    Color illustration of Mountain Madtom

    Mountain Madtom

    Noturus eleutherus
    exclamation mark

    Endangered

    Illustration of a northern brook lamprey

    Northern Brook Lamprey

    Ichthyomyzon fossor
    Image of a slender madtom

    Slender Madtom

    Noturus exilis

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