Paddlefish
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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
Chinese paddlefish
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The Chinese paddlefish, also known as the Chinese swordfish, is an extinct species of fish that was formerly native to the Yangtze and Yellow River basins in China. With records of specimens over 3.6
Paddlefish
…survived until modern times, the American paddlefish (Polyodon spathula) inhabits the Mississippi River basin in the United States, while the now extinct Chinese paddlefish (Psephurus gladius, also known as the "Chinese swordfish") inhabited the Yangtze and Yellow River basins in China. The earliest known paddlefish fossil…
A specimen at Museum of Hydrobiological Sciences, Wuhan Institute of Hydrobiology
Scientific drawing of Psephurus gladius from 1868 (resource: Nouvelles Archives du Muséum national d'histoire naturelle)
A specimen of Psephurus gladius exhibited in the Museum of Hydrobiological Sciences of Wuhan Institute of Hydrobiology