Earth’s freshwater fish face harsh new climate challenges, researchers warn

Mongabay
Dec 17, 2025, 5:08 pm256 ptsTop
Southeast Asia’s Mekong River is one of the world’s most diverse and productive freshwater ecosystems, home to more than 1,000 fish species, including both the critically endangered Mekong giant catfish (Pangasianodon gigas) and giant barb (Catlocarpio siamensis). Many of these species migrate long…

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