Migratory Freshwater Fish Numbers Are Close To Collapse, UN Report Warns

UN assessment warned that migratory freshwater fish populations are in freefall and risk collapse published at the opening of the COP15 summit on migratory species in Brazil.

Threats include habitat destruction, overfishing, water pollution and dam construction, listed in the report.

WWF estimated that migratory freshwater fish numbers have plunged about 81 percent since 1970 reported a trend since 1970.

CMS report identified nearly 350 migratory fish species that could benefit from greater protection identifies species for international protection.

Species examples populations of Mekong giant catfish, European eel and various sturgeon species have been decimated in recent decades mentioned as impacted by human pressures.