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 ...

Deep in the vast rivers and flooded forests of the Amazon Basin, there lives a fish that appears to be prehistoric in both size and appearance. The arapaima, also called the “pirarucu,” is one of the ...

Arapaima gigas is a big fish in a bigger river full of piranhas, but that doesn't mean it's an easy meal. The freshwater giant has evolved armor-like scales that can deform, but do not tear or crack, ...

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 ...

A colossal freshwater fish that can reach up to 10 feet in length has mysteriously washed up on a shoreline in Florida. The arapaima is a predatory fish native to the Amazon, but one was found dead on ...

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 ...

FORT LAUDERDALE (CBSMiami/AP) — Florida is already in a battle with dangerous and invasive species like the Burmese python, green iguana and lionfish and now there's a new predator in the state called ...

Deep in the vast rivers and flooded forests of the Amazon Basin, there lives a fish that appears to be prehistoric in both size and appearance. The arapaima, also called the “pirarucu,” is one of the ...