River dolphin, any of six species of small, usually freshwater mammals that are related to whales. Fact #2: The Amazon pink river dolphin has the largest bodies and brains of any freshwater dolphin The Amazon pink river dolphin is the largest and smartest out of the five freshwater species. Dolphins (Odontoceti) are a group of 44 species of toothed whales or cetaceans.There are dolphins in every ocean on Earth, and there are freshwater species of dolphins that inhabit rivers in South Asian and South American.
Their brain capacity is 40% larger when compared to that of humans. The Amazon river dolphin is most often observed either singly or in pairs. The Amazon pink river dolphin is the biggest and smartest animal of the four freshwater dolphin species.. At 30 ft. long and with large teeth, there are no known predators of the orca. by Ritoban Mukherjee Aug 4, 2015, 11:40 pm 19.7k Views Comments Off on 11 Facts About Dolphins That Will Prove They Are A Vicious Nightmare River Dolphins Description.

An Amazon River Dolphin is also often referred to as a Pink River Dolphin, a Boto or a Bufeo. River Dolphin. The scientific name for the Indus river dolphin is, “Platanista gangetica minor”. River dolphins have slender beaks lined with lots of teeth, small eyes, flexible necks and bodies, pronounced forehead melons, large flippers and small dorsal fins. Dolphin facts show that many river dolphins, including the Chinese river dolphin, are also apex predators. Interesting Amazon river dolphin Facts: Amazon river dolphins can reach 8 feet in length, but they are usually smaller. Here are some facts about the Amazon River Dolphin. The Indus river dolphins is one of only a handful of freshwater dolphins in existance today; Others include the Chinese river dolphin, Ganges river dolphin and Amazon river dolphin. They are only found in the water of the Amazon River, the Orinoco River and the Araguaia River. Amazon River Dolphin Facts: Behavior. A full-grown dolphin can grow up to 9 feet (2.7 meters) long, weight up to … Amazon river dolphins can be pink, blue or albino (completely white due to lack of pigment) in color.

19. The largest dolphin species (the orca) grows to more than 30 feet long while the smallest, Hector's dolphin, is just 4.5 feet in length. The Amazon river dolphin is mainly active during the day. The orca is one of the top predators in the ocean, and is known as an apex predator. They are one of the rare types of dolphins that feature a variety of colors. 10 Surprising Indus river dolphin facts. They inhabit rivers of south-central Asia, China, and South America and the coastal waters of Brazil, Argentina, and Uruguay and differ from other dolphins in their long beaks and rounded foreheads.
These dolphins do sleep but with one eye open. River Dolphin. Amazon River Dolphins are only distantly related to saltwater dolphins.

11 Facts About Dolphins That Will Prove They Are A Vicious Nightmare. Amazon river dolphins (boto) The pink river dolphins of the Amazon use sonar to locate their prey hiding in the river. The Amazon pink river dolphin is the biggest and smartest animal of the four freshwater dolphin species.. Small pods of 3 to 5 dolphins may also form. The species is characterized by its long snout and pale pink color. Amazon River Dolphin Interesting Facts. On average, Amazon river dolphins weigh between 180 and 220 pounds. River dolphins look like primitive marine dolphins and this is because their ancestors lived in the ocean. They can grow up to lengths of more than 2.5 metres. The Amazon river dolphin is only found in freshwater habitats.