The arapaima is the world's largest freshwater fish, growing up to 10 feet long and weighing as much as 440 pounds—but its ...

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 ...

Everyone knows the tiger, the panda, the blue whale, but what about the other five to thirty million species estimated to inhabit our Earth? Many of these marvelous, stunning, and rare species have ...

A look at the arapaima, one of the Amazon’s most remarkable fish, highlighting its unique size and place in wildlife ...