American paddlefish
The American paddlefish is a species of basal ray-finned fish closely related to sturgeons in the order Acipenseriformes. It is the only living species in the paddlefish family, Polyodontidae. Paddlefish are native to the Mississippi River basin and once moved freely under the relatively natural, unaltered conditions that existed prior to the early 1900s. They are currently found in twenty-two...