The green sturgeon is a species of sturgeon native to the northern Pacific Ocean, from China and Russia to Canada and the United States.
A juvenile green sturgeon
Paddlefish are members of the ray-finned fish family Polyodontidae, which belong to the basal order Acipenseriformes, one of two living groups within this order alongside sturgeons. Their most distinc
Paddlefish Polyodon spathula
A specimen of Psephurus gladius, Museum of Hydrobiological Sciences, Wuhan Institute of Hydrobiology
Closeup of the head of an American paddlefish, showing the presence of electrorecepting organs (ampullae of Lorenzini)
30-day-old fry of the American paddlefish