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.

Researchers working in the murky waters of the Amazon River in Brazil have discovered a new species of giant fish. The arapaima is an air-breathing fish that ranges between six and seven feet in ...

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 ...

Conservation efforts in the Brazilian Amazon have brought a giant fish called the arapaima back from the verge of extinction, National Geographic reported. A decade ago, the arapaima, which can grow ...

Cameron has been holding a controller for about as long as he can remember, developing a special love for The Elder Scrolls and Halo at a young age. When he isn't playing virtual games, he can most ...

A villager from the Rumao Island community pulls into his canoe an arapaima or pirarucu, the largest freshwater fish species in South America and one of the largest in the world, while fishing in a ...

Last month, during a visit to Jaycee Park in Cape Coral, Florida, Leah Getts’s son spotted a massive dead fish floating in the Caloosahatchee River. “It was bigger than my 7-year-old, who’s not a ...

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), ...