Bluefer

    Bluefer (Purpleshell)

    Potamilus purpuratus
    Gray, speckled, translucent gelatinous blob cut in half to show structure

    Bryozoans (Moss Animals)

    Freshwater species in the phylum Bryozoa
    Photo of two Chinese mystery snails, on a white background, with a ruler nearby for scale.

    Chinese Mystery Snail

    Cipangopaludina chinensis malleata (syn. Bellamya chinensis)
    invasive icon

    Invasive

    Monkey Face Mussel

    Freshwater Mussels

    Bivalve molluscs in order Unionoida
    No photo available

    Hydras

    Various species in the genus Hydra
    lilliput

    Lilliput

    Toxolasma parvus
    Photo of a painted devil crayfish standing on a sandy substrate

    Painted Devil Crayfish

    Lacunicambarus ludovicianus
    Photo of a paintedhand mudbug carefully arranged against a black background

    Paintedhand Mudbug

    Lacunicambarus polychromatus
    paper pondshell

    Paper Pondshell (Paper Floater)

    Utterbackia imbecillis
    pond mussel

    Pond Mussel

    Ligumia subrostrata
    Photo of a pink planarian on a rock.

    Turbellarians (Planarians; Free-Living Flatworms)

    Species in genera Dugesia, Planaria, etc.
    yellow sandshell

    Yellow Sandshell

    Lampsilis teres