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 ...

This is the shocking moment a giant arapaima fish leapt from a tank and startled a feeder. The woman held a small fish above the aquarium, where two huge fish with armor-like scales waited for her to ...

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), ...

Measuring 10 feet long and weighing in at more than 400 pounds, it's hard to imagine that the arapaima, the largest fish in the Amazon River basin, could ever go missing. But these huge fish are ...