Arapaima gigas, also known as pirarucu or arapaima, is a species of arapaima native to the basin of the Amazon River. Once believed to be the sole species in the genus, it is among the largest freshwater fish. The species is an obligate air-breather and needs to come to the surface regularly to gulp air.
- It played Shuangmiaosaurus gilmorei in Animal King (Dinosaur King)
- It played Arnold in Totally Amazon Animals
- It played Madison in Totally River Animals