Alligator gar side view photo with black background

    Alligator Gar

    Atractosteus spatula (formerly Lepisosteus spatula)
    Arkansas darter, female, side view photo with black background

    Arkansas Darter

    Etheostoma cragini
    Banded sculpin side view photo with black background

    Banded Sculpin

    Cottus carolinae
    Bighead carp side view photo with black background

    Bighead Carp

    Hypophthalmichthys nobilis
    invasive icon

    Invasive

    Bigmouth buffalo side view photo with black background

    Bigmouth Buffalo

    Ictiobus cyprinellus
    Black carp side view photo with black background

    Black Carp

    Mylopharyngodon piceus
    invasive icon

    Invasive

    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
     Central mudminnow side view photo with black background

    Central Mudminnow

    Umbra limi
    exclamation mark

    Endangered

    Central stoneroller male in spawning colors, side view photo with black background

    Central Stoneroller

    Campostoma pullum (syn. C. anomalum pullum)
    Channel catfish side view photo with black background

    Channel Catfish

    Ictalurus punctatus
    Chestnut lamprey side view photo with black background

    Chestnut Lamprey

    Ichthyomyzon castaneus
    Common carp side view photo with black background

    Common Carp

    Cyprinus carpio
    invasive icon

    Invasive

    Crystal darter side view photo with black background

    Crystal Darter

    Crystallaria asprella
    exclamation mark

    Endangered

    Image of a fathead minnow

    Fathead Minnow

    Pimephales promelas
    Illustration of an adult flathead catfish

    Flathead Catfish

    Pylodictis olivaris
    No photo available

    Goldstripe Darter

    Etheostoma parvipinne
    exclamation mark

    Endangered

    Image of grass carp

    Grass Carp

    Ctenopharyngodon idella
    invasive icon

    Invasive

    Image of a greenside darter fish

    Greenside Darter

    Etheostoma blennioides
    Illustration of a grotto sculpin, side view.

    Grotto Sculpin

    Cottus specus
    exclamation mark

    Endangered

    Color illustration of Harlequin Darter-Male

    Harlequin Darter

    Etheostoma histrio
    exclamation mark

    Endangered

    Image of a Johnny darter fish

    Johnny Darter

    Etheostoma nigrum
    Lake sturgeon illustration

    Lake Sturgeon

    Acipenser fulvescens
    exclamation mark

    Endangered

    No photo available

    Longnose Darter

    Percina nasuta
    exclamation mark

    Endangered

    Color illustration of Mountain Madtom

    Mountain Madtom

    Noturus eleutherus
    exclamation mark

    Endangered

    Neosho Madtom

    Neosho Madtom

    Noturus placidus
    exclamation mark

    Endangered

    Illustration of a Niangua darter

    Niangua Darter

    Etheostoma nianguae
    exclamation mark

    Endangered

    Illustration of a northern brook lamprey

    Northern Brook Lamprey

    Ichthyomyzon fossor
    Image of a northern hogsucker

    Northern Hogsucker

    Hypentelium nigricans
    Image of a northern rock bass

    Northern Rock Bass (Goggle-Eye)

    Ambloplites rupestris
    Image of a Northern studfish

    Northern Studfish

    Fundulus catenatus
    Illustration of an orangethroat darter

    Orangethroat Darter

    Etheostoma spectabile
    Illustration of a redfin darter male in breeding colors.

    Redfin Darter

    Etheostoma whipplei
    exclamation mark

    Endangered

    Shovelnose sturgeon illustration

    Shovelnose Sturgeon

    Scaphirhynchus platorynchus
    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

    Spring cavefish side view photo with black background

    Spring Cavefish

    Forbesichthys agassizi
    exclamation mark

    Endangered

    No photo available

    Sturgeon Chub

    Macrhybopsis gelida
    Color illustration of Swamp Darter

    Swamp Darter

    Etheostoma fusiforme
    exclamation mark

    Endangered

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