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 ...

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), ...

This is the fish that was involved in the burglary, officials say. Arapaima are native to South America, the Florida Fish and Wildlife Conservation Commission reports. DeSoto County Sheriff's Office ...

National Geographic Explorer João Campos-Silva has long been fascinated by the arapaima, since before it sprung back from near extinction just over a decade ago. The precarious state of the world’s ...

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 ...