Of the 10,336 freshwater fishes whose conservation status was assessed by IUCN, 10 fish species were extinct in the wild as of 2021. Nearly 30 percent of the freshwater species are considered at risk of extinction.
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WWF. (April 9, 2021). Number of freshwater fish species worldwide on IUCN Red List as of 2020 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 26, 2026, from /statistics/1265060/freshwater-fish-species-iucn-list/
WWF. "Number of freshwater fish species worldwide on IUCN Red List as of 2020." Chart. April 9, 2021. ÌÇÐÄÆƽâ°æ. Accessed July 26, 2026. /statistics/1265060/freshwater-fish-species-iucn-list/
WWF. (2021). Number of freshwater fish species worldwide on IUCN Red List as of 2020. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 26, 2026. /statistics/1265060/freshwater-fish-species-iucn-list/
WWF. "Number of Freshwater Fish Species Worldwide on Iucn Red List as of 2020." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 9 Apr 2021, /statistics/1265060/freshwater-fish-species-iucn-list/
WWF, Number of freshwater fish species worldwide on IUCN Red List as of 2020 ÌÇÐÄÆƽâ°æ, /statistics/1265060/freshwater-fish-species-iucn-list/ (last visited July 26, 2026)
Number of freshwater fish species worldwide on IUCN Red List as of 2020 [Graph], WWF, April 9, 2021. [Online]. Available: /statistics/1265060/freshwater-fish-species-iucn-list/
