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), ...

An international team of scientists, including an ESF professor, has discovered that a large, commercially important fish from the Amazon Basin has become extinct in some local fishing communities.

A massive Amazonian fish yields the unique and once overlooked leather prized by luxury brands and Texas cowboys.

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 ...