The 10-foot-long arapaima was quickly disappearing in Brazil until local communities stepped in to save it—and themselves. A close-up view of an arapaima from the Brazilian Amazon shows its unique ...

Scientists who studied why the scales of a huge Amazonian fish, which lives piranha-infested waters, are some of the toughest in the world hope their work could help to create armor. The outer layer ...

High market demand led to declining numbers and a ban on arapaima fishing in the late 1990s, though illegal poaching for the black market continued. According to a recent paper, the co-management ...

A massive, aggressive species of fish from the Amazon was found recently in the Caloosahatchee River, and at least one local fishing guide wonders if there are more plying Southwest Florida waters. "I ...