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The Chinese paddlefish (Psephurus gladius; simplified Chinese: 白鲟; traditional Chinese: 白鱘; pinyin: báixún: literal translation: "white sturgeon"), 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.
Pictures Chinese paddlefish: Psephurus gladius: Yangtze and Yellow River basins, China Last recorded in 2003. The construction of the Gezhouba Dam in the middle part of the Yangtze blocked the migration route to spawn in the upper river. It was also heavily fished historically, which depleted the species as it had a long generation time. [133]
The other is the Chinese paddlefish (Psephurus gladius), which was declared extinct in 2022 following a 2019 recommendation; [6] [7] [8] the species has not been sighted in the Yangtze River Basin in China since 2003. [9] [10] Chinese paddlefish are also commonly referred to as "Chinese swordfish", or "elephant fish". [11]
The estimated time of the divergence between sturgeons and paddlefish varies. An estimate based on 30 protein-encoding nuclear markers suggest 204.1 million years ago, research on mitochondrial genomes suggest 155.2 million years ago, and Bayesian dating based on the combined matrix of molecular (mitogenomes) and morphological characters set ...
Gölçük toothcarp (Anatolichthys splendens); Aplocheilichthys sp. 'Naivasha'; Parras characodon (Characodon garmani); Santa Cruz pupfish (Cyprinodon arcuatus); Villa Lopez pupfish (Cyprinodon ceciliae)
The American Kennel Club officially confirmed the Dachshund breed in 1885, and that only boosted the popularity of these irresistibly charming and undeniably cute dogs. 152 Photos That Prove ...
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HONG KONG — A zoo in China has been accused of trying to deceive visitors with a pair of dogs dyed black and white to look like panda bears.. Videos circulating on Chinese social media show the ...