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News: Chinese researchers, based on the Red List criteria of the International Union for Conservation of Nature (IUCN), have concluded that Chinese Paddlefish are extinct.
Facts:
- Chinese paddlefish, also known as the Chinese swordfish lived in Yangtze River in China. It dates back 200 million years.
- The researchers estimate that it became functionally extinct by 1993, and extinct sometime between 2005 and 2010.
Additional Information
Categories of Extinction by IUCN:
1. Extinct in the wild: a species survives only in a captive environment
2. Locally extinct: species has ceased to exist in a particular area but may exist in other areas.
3. Functionally extinct: the species continues to exist but it has too few members to enable it to reproduce meaningfully enough to ensure survival.
4. Globally extinct: a species has no surviving member anywhere.
