The fires burning through the Brazilian Amazon are a threat to the fish that rely on forest flooding to survive, raising fears the fish will be lost. The Amazon rainforest in Brazil is still burning, ...

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 ...

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 ...

Smaller fish species are more nutritious, lower in mercury and less susceptible to overfishing, a Cornell-led research team ...

If you liked this story, share it with other people. Like the rainforest which takes its name, the Amazon is the largest and most biodiverse river on the planet. The river and its tributaries are a ...

The rotting body of a dead Amazon "river monster" recently washed ashore in Florida, raising concerns about whether this gigantic predatory fish has joined the Sunshine State's ever-growing list of ...

Slither over, Burmese pythons — Florida’s next invasive carnivore could be a 10-foot monster fish that can leap out of the water and eat small mammals. “I can’t imagine it’s good for our ecosystem,” ...