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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. ...
The species is an average-sized oceanic dolphin. Females weigh up to 150 kg (330 lb) and males 200 kg (440 lb) with males reaching 2.5 m (8.2 ft) and females 2.3 m (7.5 ft) in length. Pacific white-sided dolphins usually tend to be larger than dusky dolphins. Females reach maturity at seven years.
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 ...
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 ...
Marmontel said most of the dolphins that perished last year were in Lake Tefé, a 45-km-wide (27-mile) expanse of water where the dolphins like to be located, just off the Solimoes River.
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 ...
Atlantic humpback dolphins communicate similarly to other dolphin species via echolocation. [6] Groups generally forage close to shore in shallow waters and often within the surf zone. They appear to feed mainly on inshore schooling fish such as mullet, though a variety of coastal fish and crustacean species are also known as their prey items.
Bolivian river dolphins were discovered by the Western world in 1832 by French researcher Alcide d'Orbigny. [2] The Bolivian river dolphin was briefly thought to be a subspecies (as I. geoffrensis boliviensis) of the Amazonian river dolphin, Inia geoffrensis, but differences in body structure and the isolation of the Bolivian river dolphin led to it being classified as its own species in 2012. [3]