Alligator gar side view photo with black background

    Alligator Gar

    Atractosteus spatula (formerly Lepisosteus spatula)
    Black buffalo side view photo with black background

    Black Buffalo

    Ictiobus niger
    Black bullhead side view photo with black background

    Black Bullhead

    Ameiurus melas
    Blackspotted topminnow side view photo with black background

    Blackspotted Topminnow

    Fundulus olivaceus
    Blackstripe topminnow, male in spawning colors, side view photo with black background

    Blackstripe Topminnow

    Fundulus notatus
    Brindled madtom side view photo with black background

    Brindled Madtom

    Noturus miurus
    Brown bullhead side view photo with black background

    Brown Bullhead

    Ameiurus nebulosus
     Central mudminnow side view photo with black background

    Central Mudminnow

    Umbra limi
    exclamation mark

    Endangered

    Channel catfish side view photo with black background

    Channel Catfish

    Ictalurus punctatus
    Crystal darter side view photo with black background

    Crystal Darter

    Crystallaria asprella
    exclamation mark

    Endangered

    Orangethroat darter male in spawning colors, side view photo with black background

    Darters

    Etheostoma, Percina, Ammocrypta, and Crystallaria spp.
    Flathead catfish side view photo with black background

    Flathead Catfish

    Pylodictis olivaris
    Freckled madtom side view photo with black background

    Freckled Madtom

    Noturus nocturnus
    Goldfish side view photo with black background

    Goldfish

    Carassius auratus
    Harlequin darter side view photo with black background

    Harlequin Darter

    Etheostoma histrio
    exclamation mark

    Endangered

    Southern redbelly dace male in spawning colors, side view photo with black background

    Minnows

    Notropis, Cyprinella, Hybognathus, Luxilus, and others
    Mountain madtom side view photo with black background

    Mountain Madtom

    Noturus eleutherus
    exclamation mark

    Endangered

    Quillback side view photo with black background

    Quillback

    Carpiodes cyprinus
    Shorthead redhorse side view photo with black background

    Shorthead Redhorse

    Moxostoma macrolepidotum
    Smallmouth buffalo side view photo with black background

    Smallmouth Buffalo

    Ictiobus bulbalus
    Northern snakehead side view illustration with black background

    Snakeheads

    Channa argus and other Channa and Parachanna spp.
    invasive icon

    Invasive

    Tadpole madtom female, side view photo with black background

    Tadpole Madtom

    Noturus gyrinus
    Yellow bullhead side view photo with black background

    Yellow Bullhead

    Ameiurus natalis

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