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), ...
In rural communities living near Brazil’s Juruá River, a tributary of the Amazon River that flows northward through the country, families of fishers take turns in guarding the entrances of oxbow lakes ...
A new species of the giant fish arapaima has been discovered from the central Amazon in Brazil, raising questions about what other species remain to be discovered and highlighting the potential for ...
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