The Amazon’s fish live in water that can change dramatically with the seasons. In some places, oxygen levels fall so low that ordinary gill breathing is not enough. Several Amazonian species have ...

If you liked this story, share it with other people. Following proof of the presence of microplastics in Amazonian rivers, streams and lakes, researchers are investigating how these particles affect ...

For riverside communities along the Amazon, fish is not a menu choice—it is a lifeline. Millions of people in the Brazilian Amazon depend on fish as their primary source of protein, consuming it daily ...