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Caption: Arapaima gigas, Print, Arapaima gigas, also known as pirarucu, 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., 1829
Credit: Album / quintlox
Image size: 5787 × 3660 px | 60.6 MB
Print size: 49.0 × 31.0 cm | 2278.3 × 1440.9 in (300 dpi)