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| Last Updated:19/04/2024

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A quarter of freshwater fish species risk extinction by climate change: IUCN



Climate change driving multiple species towards extinction at all stages of its lifecycle, assessment noted

About a quarter of the world’s freshwater fish species are at risk of extinction by climate change, a new International Union for Conservation of Nature (IUCN) Red List assessment revealed.


Out of the 14,898 species assessed, 3,086 are at risk of extinction, the IUCN report identified. At least 17 per cent of the threatened freshwater fish species are affected due to decreasing water levels, shifting seasons and rising sea levels pushing the seawater up the rivers, influenced by climate change.


The climatic change risks to fish compound threats from pollution that affects 57 per cent of the freshwater fish species, dams and water extraction that impact 45 per cent and overfishing that hurts 25 per cent, respectively, the IUCN said.


Disease and invasive species harm 33 per cent, the Red List further noted.

photo- Global population of Atlantic salmon (Salmo salar) dropped by 23% between 2006 and 2020, pushing the species from least concern category to near threatened. Photo: iStock