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 ...
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