Illustration of a grotto sculpin, side view.

    Grotto Sculpin

    Cottus specus
    exclamation mark

    Endangered

    Ozark cavefish side view photo with black background

    Ozark Cavefish

    Amblyopsis rosae
    exclamation mark

    Endangered

    Southern cavefish side view photo with black background

    Southern Cavefish

    Typhlichthys subterraneus

See Also

Photo of a three-toed amphiuma in an aquarium.

Three-Toed Amphiuma

Amphiuma tridactylum
Photo of researcher holding a gilled siren

Western Lesser Siren

Siren intermedia nettingi