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The Amazon river dolphin (Inia geoffrensis), also known as the boto, bufeo or pink river dolphin, is a species of toothed whale endemic to South America and is classified in the family Iniidae. Three subspecies are currently recognized: I. g. geoffrensis (Amazon river dolphin), I. g. boliviensis ( Bolivian river dolphin ) and I. g. humboldtiana ...
The Amazon river dolphin (Inia geoffrensis) thrives in fresh water, is endemic to the Amazon basin, and is placed in the Endangered category of the IUCN. [ 1 ] The Araguaian river dolphin ( I. araguaiaensis ) is a newly identified species native to the Araguaia - Tocantins basin of Brazil .
Most of the scientific community accepted this single species classification, as does the IUCN. [4] As of 2016 the Committee on Taxonomy of the Society for Marine Mammalogy considers the genus Inia to contain one species with only two subspecies: the Bolivian ( I. g. boliviensis ) and the Amazon ( I. g. geoffrensis) subspecies. [ 5 ]
Iniidae is a family of river dolphins containing one living genus, Inia, and four extinct genera.The extant genus inhabits the river basins of South America, but the family formerly had a wider presence across the Atlantic Ocean.
The abundance of distinct fish species lures the Amazon River dolphin into the várzea areas of high water occurrences during the seasonal flooding. [48] In addition to attracting predators such as the Amazon river dolphin, these high-water occurrences are an ideal location to draw in the local fisheries.
The genus Iniidae has only one species, the freshwater Amazon river dolphin, also known as the boto. It lives in the Amazon and Orinoco river basins in Brazil, Colombia and Venezuela, but also, outside the Caribbean region, further West in Ecuador, Bolivia and Peru. Its distribution extends from the estuaries to far upstream, where it is ...
The Amazon river dolphin, baiji, and La Plata dolphin were once thought to belong to Platanistidae (e.g. Simpson, 1945), but cladistic and DNA studies beginning in the 1990s showed that the former three taxa are more closely related to Delphinoidea than to the South Asian river dolphin.
The Amazon river dolphins, many of a striking pink color, are a unique freshwater species found only in the rivers of South America and are one of a handful of freshwater dolphin species left in ...