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 ...

A new fish species has emerged, but it does not hail from the realm of Mordor as its name suggests. The relationship between pacus and piranhas has been closely studied by researchers and while the ...

By Shanna Hanbury Five out of 10 lakes in the central Amazon had daytime temperatures over 37° Celsius, (98.6° Fahrenheit) during the region’s 2023 extreme heat wave, a recent study found. One of the ...

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’ve tasted jaraqui, you’ll never leave here,” Márcio da Silva Santos, the tuxaua, or the chief community leader of an Amazonian village named Betel, told the Science reporter Daniel Grossman ...

MAMIRAUÁ RESERVE, Brazil — On this stretch of the Amazon River, you don't need a fish finder to locate the pirarucu, one of the world's largest freshwater fish. The splashing gives them away. Like the ...

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 construction of the Balbina hydroelectric dam in the Brazilian Amazon led to the loss of seven endemic fish species in the Uatumã River, researchers have found. The hydroelectric dam has ...

PUERTO NARINO, Colombia — A flash of pink breaks the muddy surface of the Amazon River as scientists and veterinarians, waist-deep in the warm current, patiently work a mesh net around a pod of river ...

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 ...

Why are we asking for donations? Why are we asking for donations? This site is free thanks to our community of supporters. Voluntary donations from readers like you keep our news accessible for ...