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Amazon river dolphin. 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 ...
The Indus river dolphin (Platanista minor) is a species of freshwater dolphin in the family Platanistidae. It is endemic to the Indus River basin in Pakistan and Beas River in northwestern India. [1] This dolphin was the first discovered side-swimming cetacean. It is patchily distributed in five small, sub-populations that are separated by ...
River dolphins are 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.
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]
September 14, 2024 at 8:00 AM. Bones from an Amazon pink river dolphin are embedded in dried mud along the banks of Lake Tefé in Tefe, Brazil, on Oct. 31, 2023. More than 200 river dolphins died ...
In fact, all extant river dolphin species are endangered or critically endangered, the IUCN says. Researchers discovered the Amazonian dolphin fossil in 2018, near the Napo River in Loreto, Peru.
Indo-Pacific humpback dolphin. At the theme aquarium in Pattaya, Thailand. The Indo-Pacific humpback dolphin (Sousa chinensis) [3] is a species of humpback dolphin inhabiting coastal waters of the eastern Indian and western Pacific Oceans. [4] This species is often referred to as the Chinese white dolphin in mainland China, Macau, Hong Kong ...