January 13, 2020 § Leave a comment
The Chinese paddlefish (Psephurus gladius), a freshwater fish that could grow up to 7 metres long, is gone forever. The giant of the Yangtze River used its long sword-like snout, packed with electricity-sensing cells, to track its prey. The Gezhouba Dam cut off the paddlefish from its only spawning grounds upstream in 1981, and researchers estimate that the fish had become functionally extinct, without enough members to maintain the population, by 1993. “This is the first of these very large freshwater fish to go and many are at risk,” says fish biologist Zeb Hogan.