Image of a black bullhead

    Black Bullhead

    Ameiurus melas
    channel catfish

    Channel Catfish

    Ictalurus punctatus
    Illustration of a northern brook lamprey

    Northern Brook Lamprey

    Ichthyomyzon fossor
    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