Deep in the Amazon, there's a creature that defies expectations - pink river dolphins. In this episode, we get up close with ...

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 ...

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,” ...

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 ...

As the cherished rainforest in South America's Amazon River region continues to shrink, the river itself now presents evidence of other dangers: the overexploitation of freshwater fish. As the ...