A giant fish native to the Amazon has reportedly turned up in Vietnam, and one local says the sighting is raising ...

The arapaima is one of the largest freshwater fish on Earth, growing up to 3 meters long and weighing 200 kilograms. But its ...

A look at a young arapaima, highlighting its early growth, unique features, and life in a freshwater environment. Taylor’s big call on Welcome to Country Northern lights forecast: These 24 states ...

A keystone species of the Amazon River ecosystem, the arapaima is a powerful predator known by many names. Mike Bock Reaching up to 10 feet (3 meters) long and weighing 440 pounds (200 kilograms), ...

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 ...