Creek chub male in spawning colors, side view photo with black background

    Creek Chub

    Semotilus atromaculatus
    elephant's ear

    Elephantear

    Elliptio crassidens
    exclamation mark

    Endangered

    Monkey Face Mussel

    Freshwater Mussels

    Bivalve molluscs in order Unionoida
    pink heelsplitter

    Pink Heelsplitter

    Potamilus alatus
    pink papershell

    Pink Papershell

    Potamilus ohiensis
    Photograph of Purple Wartyback freshwater mussel shell exterior view
    scaleshell

    Scaleshell

    Leptodea leptodon
    exclamation mark

    Endangered

    spike

    Spike (Ladyfinger)

    Elliptio dilatata