Africa’s freshwater fish are on the decline, according to a recent report by the World Wide Fund for Nature. In Lake Victoria, Africa’s largest lake, fish catches have dropped sharply as pollution, ...

Climate change is rapidly altering freshwater ecosystems — raising temperatures, altering flood pulses and oxygen levels — and driving complex, region-specific changes in how fish grow, migrate and ...

A new global study reveals an average 81% decline in migratory freshwater fish populations between 1970 and 2020. Habitat loss, degradation and overfishing are the main threats to migratory fish, ...

Fish farming is booming in Lake Victoria, but pollution and disease are wiping out millions. Now new research could help reduce those losses ...