Closeup of alligator gar held in a person's hands prior to being released into water

    Alligator Gar

    Atractosteus spatula (formerly Lepisosteus spatula)
    Illustration of a male black crappie in spawning coloration.

    Black Crappie

    Pomoxis nigromaculatus
    Image of a blackspotted topminnow

    Blackspotted Topminnow

    Fundulus olivaceus
    Image of a blackstripe topminnow

    Blackstripe Topminnow

    Fundulus notatus
    Color illustration of Central Mudminnow

    Central Mudminnow

    Umbra limi
    exclamation mark

    Endangered

    Image of a fathead minnow

    Fathead Minnow

    Pimephales promelas
    No photo available

    Goldstripe Darter

    Etheostoma parvipinne
    exclamation mark

    Endangered

    Image of a Johnny darter fish

    Johnny Darter

    Etheostoma nigrum
    No photo available

    Longnose Darter

    Percina nasuta
    exclamation mark

    Endangered

    Illustration of a northern brook lamprey

    Northern Brook Lamprey

    Ichthyomyzon fossor
    Image of a northern rock bass

    Northern Rock Bass (Goggle-Eye)

    Ambloplites rupestris
    Shortnose gar, image of head and front portion of body, swimming in an aquarium

    Shortnose Gar

    Lepisosteus platostomus
    Image of a slender madtom

    Slender Madtom

    Noturus exilis
    Illustration of northern snakehead, viewed from side

    Snakeheads

    Channa spp. and Parachanna spp., including C. argus
    invasive icon

    Invasive

    Image of a southern redbelly dace

    Southern Redbelly Dace

    Phoxinus erythrogaster
    Spotted gar, closeup of head, held in a fisher’s gloved hands, at Mingo NWR

    Spotted Gar

    Lepisosteus oculatus
    Color illustration of spring cavefish, an endangered species

    Spring Cavefish

    Forbesichthys agassizi
    exclamation mark

    Endangered

    Image of white crappie

    White Crappie

    Pomoxis annularis

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