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), ...

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 ...

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, ...

Zoo staff said that the fish were about 17 years old, which is the typical life span of captive arapaima. According to the press release, a necropsy carried out after the death of the fish initially ...

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 ...

Growing up, I immersed myself in stories of outdoor writers traveling the globe, chasing massive and exotic species to fuel my love of fishing and adventure. It led me to a three-decade-plus career as ...

The U.S. Air Force studied how an Amazonian fish can survive in the same waters as schools of deadly piranha. The arapaima, a slow-moving, torpedo-shaped fish should be easy prey for a pack of the ...