Closeup of alligator gar held in a person's hands prior to being released into water

    Alligator Gar

    Atractosteus spatula (formerly Lepisosteus spatula)
    Color illustration of grass pickerel, a long, narrow fish

    Grass Pickerel

    Esox americanus
    illustration of big, long-nosed fish

    Paddlefish

    Polyodon spathula
    Illustration of a pallid sturgeon

    Pallid Sturgeon

    Scaphirhynchus albus
    exclamation mark

    Endangered

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

    Shortnose Gar

    Lepisosteus platostomus
    Illustration of northern snakehead, viewed from side

    Snakeheads

    Channa spp. and Parachanna spp., including C. argus
    invasive icon

    Invasive

    Spotted gar, closeup of head, held in a fisher’s gloved hands, at Mingo NWR

    Spotted Gar

    Lepisosteus oculatus

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