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Vital freshwater fish migrations are collapsing, says UN report
- March 24, 2026 at 12:00 PM
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Some of the longest, most important migrations of species on Earth are happening beneath the surface of the world's rivers and many are rapidly collapsing, according to a major new assessment by the Convention on the Conservation of Migratory Species of Wild Animals (CMS), an environmental treaty of the United Nations.
Originally published at Phys.org