Photo of a saddleback crayfish.

    Saddleback Crayfish

    Faxonius medius (formerly Orconectes medius)
    Photo of a longpincered crayfish.

    Longpincered Crayfish

    Faxonius longidigitus (formerly Orconectes longidigitus)
    Photo of a freckled crayfish.

    Freckled Crayfish

    Cambarus maculatus
    Photo of a belted crayfish, also called Big River crayfish.

    Belted Crayfish (Big River Crayfish)

    Faxonius harrisonii (formerly Orconectes harrisonii)
    Photo of a woodland crayfish.

    Woodland Crayfish

    Faxonius hylas (formerly Orconectes hylas)
    Photo of a ringed crayfish.

    Ringed Crayfish

    Faxonius neglectus (formerly Orconectes neglectus)
    Photo of a golden crayfish viewed through the surface of creek water.

    Golden Crayfish

    Faxonius luteus (formerly Orconectes luteus)
    Photo of a gray-speckled crayfish.

    Gray-Speckled Crayfish

    Faxonius palmeri (formerly Orconectes palmeri)
    Zebra Mussel

    Zebra Mussel

    Dreissena polymorpha
    invasive icon

    Invasive