Scientists examined around 23,500 species of dragonflies, fish, crabs and other animals that depend exclusively on freshwater ...

Freshwater ecosystems cover less than 1% of Earth but support 10% of all species. Nearly a quarter of these species face ...

Although freshwater habitats cover less than 1 percent of the Earth's surface, they support 10 percent of known animal species.

“Almost every big river in North America and Europe is massively modified" through damming, putting freshwater species at risk, he said. In South America, the vast Amazon River ecosystem also ...