The Eerie Sadness of China’s Paddlefish

China is home to a fish so rare that photographs of living specimens can be counted on two hands. Its lineage is so bizarre that it has only one close relative, found a continent away, and its skeleton straddles the anatomical cues that divide cartilaginous and bony fish. Even within its kin group, its habits and anatomy are unique.

The Chinese paddlefish or báixún, Psephurus gladius, is the only apparent preferential piscivore in the order Acipenseriformes. (The North American paddlefish is a planktivore, and sturgeons prefer shellfish.) Unlike its American sibling, its “paddle” is conical, and it is sometimes termed the “Chinese swordfish,” “white sturgeon,” or “elephant fish.” As an active, predatory schooling fish, it was once known for leaping across the surface of the Yangtze in large numbers. Rumor holds it can exceed seven meters in length and therefore rivals the beluga sturgeon for status as the largest freshwater or anadromous fish on our planet. However, the largest recorded specimen did not exceed a still-impressive four meters. Chances are, no Chinese paddlefish ever will.

CN veterinary imagery

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The Eerie Sadness of China’s Paddlefish