First comprehensive assessment of the world’s freshwater fish species reveals that 25% are at risk of extinction. Climate change threatens a growing number of species, from freshwater fishes to ...

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 ...

The world's largest recorded freshwater fish, a giant stingray, has been caught in the Mekong River in Cambodia, according to scientists from the Southeast Asian nation and the United States. The ...

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, ...

Over 3,200 freshwater fish species have been recorded in Africa, with 28 new freshwater fish species described in 2024 alone. Africa has the world's highest per capita catch of freshwater fish: 2.56 ...

A woman selling fish in a market in the Mekong Delta, Vietnam. From Ancient Egypt to the Zhou Dynasty to first century Palestine, fish have symbolized wealth and abundance, demonstrating the ancient ...

Researchers in Alberta uncovered a fossil fish that rewrites the evolutionary history of otophysans, which today dominate freshwater ecosystems. The new species, Acronichthys maccognoi, shows early ...