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Boto is a Portuguese name given to several types of dolphins and river dolphins native to the Amazon and the Orinoco River tributaries. A few botos exist exclusively in fresh water , and these are often considered primitive dolphins.
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 ...
River dolphins are rather small, ranging in size from the 5-foot (1.5 m) long South Asian river dolphin to the 8-foot (2.4 m) and 220-pound (100 kg) Amazon river dolphin. They all have female-biased sexual dimorphism apart from Amazon river dolphin, with the females being larger than the males.
The recognition of I. araguaiaensis as a distinct species is still debated. It was originally distinguished from the Amazon river dolphin (Inia geoffrensis) in January 2014 [2] [3] on the basis of nuclear microsatellite and mitochondrial DNA data as well as differences in skull morphology (it generally has a wider skull).
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.
Boto. 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 ...
Boto Encantado (river dolphin) Itachi (weasel or marten) Jorōgumo and Tsuchigumo (spider) Kitsune, Huli Jing, hồ ly tinh and Kumiho (fox) Kawauso (river otter) Kushtaka (otter) Lady White Snake, Ichchhadhari Nag and Yuxa (snake) Pipa Jing (jade pipa) Selkie (seal) Tanuki (racoon dog) Mujina (badger) Toyotama-hime (crocodile or shark) Tsuru ...
Articles relating to the river dolphins, a polyphyletic group of fully aquatic mammals that reside exclusively in freshwater or brackish water. They are an informal grouping of dolphins, which itself is a paraphyletic group within the infraorder Cetacea. Extant river dolphins are placed in two superfamilies, Platanistoidea and Inioidea.