Image of a bighead carp

    Bighead Carp

    Hypophthalmichthys nobilis
    invasive icon

    Invasive

    A long fish with prominent dorsal and pectoral fins

    Black Carp

    Mylopharyngodon piceus
    invasive icon

    Invasive

    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

    Color illustration of Crystal Darter

    Crystal Darter

    Crystallaria asprella
    exclamation mark

    Endangered

    Image of grass carp

    Grass Carp

    Ctenopharyngodon idella
    invasive icon

    Invasive

    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

    No photo available

    Longnose Darter

    Percina nasuta
    exclamation mark

    Endangered

    Illustration of a redfin darter male in breeding colors.

    Redfin Darter

    Etheostoma whipplei
    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