When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The largest freshwater fish in South America, arapaima (Arapaima gigas) can grow to over 10 feet ...

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 ...

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), ...

Those fish in your home aquarium may be important food sources in their native lands. According to figures recently released by the United Nations Food and Agriculture Organization’s (FAO) Fisheries ...

Like youngsters leaving home on the first day of kindergarten, the Milwaukee County Zoo's two arapaima fish needed a bit of coaxing. Though arapaima are among the world's largest freshwater fish and ...

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.

A new type of giant Amazonian fish — one for which only a single species was known for more than a century — has been discovered in Brazil, scientists say. The fish is a new species of arapaima, which ...

The Arapaima fish, considered to be biggest fish and commercially important one at the Amazon Basin, went extinct in a number of local fishing communities, a group of researchers revealed in a study ...