Arapaima is the type genus of the subfamily Arapaiminae within the family Osteoglossidae. [1][2][3] They are among the world's largest freshwater fish, reaching as much as 3 m (9.8 ft) …

Oct 30, 2024 · A keystone species of the Amazon River ecosystem, the arapaima is a powerful predator known by many names.

Aug 14, 2025 · The Arapaima (also known as the pirarucu or paiche) is an enormous freshwater fish found in the tropical waters of South America. It is one of the largest known freshwater fish …

The Arapaima are several species of colossal freshwater fish from South America. They’ve likely been around, almost unchanged, since before the dinosaur extinction, and could have grown …

The arapaima, Arapaima gigas (Arapaimidae), is among the largest known freshwater fish species with sizes up to 14 feet and 440 pounds. They have a streamlined, oval shape with a large, …

Over millennia, arapaima have developed the ability to breathe air using a modified swim bladder that acts as a lung. This allows them to survive in oxygen-deficient, murky waters during …

Oct 1, 2024 · Reaching up to 10 feet (3 meters) long, arapaima are the largest freshwater fish in South America. Learn what else makes these animals unique.

Also known as the paiche or the pirarucu, the arapaima is an air-breathing fish that plies the rainforest rivers of South America's Amazon Basin and nearby lakes and swamps.

The Arapaima is native to the Amazon Basin in South America, which includes parts of Brazil, Peru, Ecuador, Colombia, Guyana, and Bolivia. They inhabit freshwater systems such as …

Arapaima are freshwater fish native to South America that can grow to immense sizes. Native South American people sometimes refer to these fish as “pirarucu,” or “paiche.”