Photo of a spothanded crayfish viewed from above on white background.

    Crayfishes

    About 36 species in Missouri
    Image of a southern cave fish

    Ozark Cavefish

    Amblyopsis rosae
    exclamation mark

    Endangered

    Photo of a spothanded crayfish viewed through creekwater.

    Spothanded Crayfish

    Faxonius punctimanus (formerly Orconectes punctimanus)
    Water springtails congregate in water above soggy dead leaves

    Water Springtail

    Podura aquatica
    Photo of Williams' crayfish.

    Williams’ Crayfish

    Faxonius williamsi (formerly Orconectes williamsi)