Arapaima gigas
Arapaima gigas, which in Brazil called with the type of arwana pirarucu is the largest. The size of the body length can reach 4.47 meters. Therefore, this fish is called the Bering arwana giant. When the body is still small yellow and black will be changed after more silvery white adults. Arwana this type have the ability to survive in waters that berkadar low oxygen because the air bubbles that have formed to help the people.
source: AgromediaPustaka, 2008
