So far, however, conservation efforts to protect endangered giant freshwater fish species are mostly regional. There are signs that interest in freshwater species is gaining momentum, including increasing calls to explicitly include freshwater ecosystems in the 30x30 initiative, a global effort to set aside 30% of land and sea area for conservation by 2030. In the Mekong, where more giant fish species are found than in any other river, climate change is causing more severe droughts and disrupting the monsoon seasons that govern the river’s essential flood regime.
This 646-pound Mekong giant catfish was caught in 2005.
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