Crystal darter side view photo with black background

    Crystal Darter

    Crystallaria asprella
    exclamation mark

    Endangered

    Grass carp side view photo with black background

    Grass Carp

    Ctenopharyngodon idella
    invasive icon

    Invasive

    Northern studfish female, side view photo with black background

    Northern Studfish

    Fundulus catenatus
    Quillback side view photo with black background

    Quillback

    Carpiodes cyprinus
    River carpsucker side view photo with black background

    River Carpsucker

    Carpiodes carpio