Freshwater Fish Migrations Collapsing Worldwide

Freshwater Fish Migrations Collapsing Worldwide

More than 300 species of migratory freshwater fish are in dire need of “urgent coordinated cross-border collaboration” amid a crisis of rapid collapse, according to a report released Tuesday at a key United Nations conservation conference in Brazil.“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,” the United Nations Convention on the Conse…