Photo of a papershell crayfish, also called calico crayfish.

    Calico Crayfish (Papershell Crayfish)

    Faxonius immunis (formerly Orconectes immunis)
    Creek chub male in spawning colors, side view photo with black background

    Creek Chub

    Semotilus atromaculatus
    Monkey Face Mussel

    Freshwater Mussels

    Bivalve molluscs in order Unionoida
    pink papershell

    Pink Papershell

    Potamilus ohiensis