As the world’s largest freshwater fish, the arapaima, is being targeted by poachers in Brazil, while members of Indigenous communities are doing their best to protect it. The Paumari Indigenous ...

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), ...

Dr. Donald J. Stewart, an ESF professor who recently discovered a new species of the giant Arapaima fishes native to South America, will present a lecture March 26 about conservation efforts for these ...

The giant arapaima, the Amazon’s biggest fish, was under threat. Rolex Awards for Enterprise Laureate João Campos-Silva is engaging with local fishing communities to save it—and in doing so, setting ...

The discovery of a "giant" Arapaima among the freshwater fish of the Essequibo River Basin could have implications for ongoing ecotourism efforts of local Guyanese communities. A new study published ...