The carcasses of around 200 river dolphins were floating across the seven-foot (two-meter) deep waters of Lake Tefé, as a result of a 106°F temperature.

A mass fish die-off in Brazil’s Amazon River region has killed an estimated 20-30 metric tons of fish and other aquatic animals, following one of the worst droughts in Amazonian history. On the night ...

The health of the Amazon forest and river are intertwined. By storing carbon, the forest can be a key part of climate solutions but plans for expanding hydropower could undermine that climate solution ...

The rich organic matter that gives the largest tributary of the Amazon River, the Rio Negro, its characteristic black hue may provide fish with some protection from the negative effects of copper ...

Legend has it that the Santiago River used to swallow the canoe of anyone trying to explore it. Now an indigenous community ...

The Amazon river dolphin, or boto, is an integral feature of the rainforest’s biodiversity and culture, and is central to several Indigenous tales. Even though the dolphin isn’t fished for human ...

A new species of piranha-like fish called pacu was recently found hiding in plain sight among several near-identical species in the Amazon River. Researchers have named it after Sauron from "The Lord ...

If you are looking for a real adventure, an exotic location, battles with big, strong, angry fish on a fly rod, the waters of the Amazon jungle are all of that and more. One question I get asked all ...