Freshwater habitats cover just 2% of the Earth, but new research finds that they boast the highest animal species richness per area.

A new sensor works like a FItbit to keep track of mussel activity. It could send alerts about toxic stuff in freshwater ecosystems.

A new database will help track the impacts of climate change on fish living in rivers, lakes, and other inland waters throughout the world.

A new map that tracks the genetic diversity of freshwater and marine fish offers another tool to protect species around the world.

Lake Tahoe, one of the clearest, cleanest lakes in the US, shows how that the issue of microplastics goes way beyond the oceans.