A Giant fish is declared extinct — how do scientists conclude that?

ForumIAS announcing GS Foundation Program for UPSC CSE 2025-26 from 19 April. Click Here for more information.

ForumIAS Answer Writing Focus Group (AWFG) for Mains 2024 commencing from 24th June 2024. The Entrance Test for the program will be held on 28th April 2024 at 9 AM. To know more about the program visit: https://forumias.com/blog/awfg2024

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.

Print Friendly and PDF
Blog
Academy
Community