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Male Amazon river dolphins are either solid pink or mottled grey/pink. The Amazon river dolphin is the largest river dolphin. Adult males reach a maximum length and weight of 2.55 metres (8.4 ft) (average 2.32 metres (7.6 ft)) and 185 kilograms (408 lb) (average 154 kilograms (340 lb)), while females reach a length and weight of 2.15 metres (7. ...
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 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 .
Venturing deep into the complex waterways of the Amazon, Colombian marine biologist Fernando Trujillo first set out to study the mysterious pink river dolphin in 1987, at the directive of the late ...
The pink river dolphin is the largest freshwater dolphin in the world. It can reach up to 2.8 metres (9.2 ft) long and weigh as much as 180 kilograms (400 lb). Compared to its cousin, the Amazonian river dolphin (Inia geoffrensis), the Bolivian river dolphin has more teeth, a smaller skull, and a longer body. [2]
Analysis of the newly identified ancient dolphin’s skull told paleontologists that its body would have measured at least 11 feet (3.5 meters) long — making it about 20% to 25% bigger than ...
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.
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