Photo of a devil crayfish.

    Devil Crayfish

    Lacunicambarus aff. diogenes
    ellipse

    Ellipse and Bleedingtooth

    Venustaconcha ellipsiformis and V. pleasii
    Monkey Face Mussel

    Freshwater Mussels

    Bivalve molluscs in order Unionoida
    Illustration of an orangethroat darter

    Orangethroat Darter

    Etheostoma spectabile
    Image of a red shiner

    Red Shiner

    Cyprinella lutrensis
    Illustration of a redfin darter male in breeding colors.

    Redfin Darter

    Etheostoma whipplei
    exclamation mark

    Endangered

    Photo of a northern, also called virile, crayfish.

    Virile Crayfish (Northern Crayfish)

    Faxonius virilis (formerly Oronectes virilis)
    Water springtails congregate in water above soggy dead leaves

    Water Springtail

    Podura aquatica