NEWPORT, Ky. -- It’s just past 2 p.m., and four enormous shadowy figures lie in wait just below the surface of the water in Newport Aquarium’s Amazon Exhibit. Feeding commences. While the tank is ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The largest freshwater fish in South America, arapaima (Arapaima gigas) can grow to over 10 feet ...

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 ...

Measuring 10 feet (3 meters) long and weighing in at more than 400 pounds (180 kilograms), it's hard to imagine that the arapaima, the largest fish in the Amazon River basin, could ever go missing.

The Burmese python, green iguana and lionfish are, by now, well-known invasive species that have established a dangerous foothold in Florida. But a fearsome new invasive predator has emerged in the ...

A new type of giant Amazonian fish — one for which only a single species was known for more than a century — has been discovered in Brazil, scientists say. The fish is a new species of arapaima, which ...

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 ...

(UPI) -- The natural body armor of the South American arapaima fish is so tough that it can withstand the piercingly fierce bite of a piranha without a problem. With its streamlined body and flat head ...