Image of an american eel

    American Eel

    Anguilla rostrata
    Illustration of a male black crappie in spawning coloration.

    Black Crappie

    Pomoxis nigromaculatus
    Common Shiner

    Common Shiner

    Luxilus cornutus
    Monkey Face Mussel

    Freshwater Mussels

    Bivalve molluscs in order Unionoida
    No photo available

    Hydras

    Various species in the genus Hydra
    lilliput

    Lilliput

    Toxolasma parvus
    Illustration of a redfin darter male in breeding colors.

    Redfin Darter

    Etheostoma whipplei
    exclamation mark

    Endangered

    Shortnose gar, image of head and front portion of body, swimming in an aquarium

    Shortnose Gar

    Lepisosteus platostomus
    Photo of a pink planarian on a rock.

    Turbellarians (Planarians; Free-Living Flatworms)

    Species in genera Dugesia, Planaria, etc.
    Image of white crappie

    White Crappie

    Pomoxis annularis
    Image of a white sucker

    White Sucker

    Catostomus commersoni