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A dolphin is an aquatic mammal in the clade Odontoceti ( toothed whale ). Dolphins belong to the families Delphinidae (the oceanic dolphins), Platanistidae (the Indian river dolphins ), Iniidae (the New World river dolphins), Pontoporiidae (the brackish dolphins), and possibly extinct Lipotidae (baiji or Chinese river dolphin).
Jun 19, 2024 · dolphin, any of the toothed whales belonging to the mammal family Delphinidae (oceanic dolphins) as well as the families Platanistidae and Iniidae, the two that contain the river dolphins. Of the nearly 40 species of dolphins in the Delphinidae, 6 are commonly called whales, including the killer whale and the pilot whales.
Dolphins are small-toothed cetaceans easily recognizable by their curved mouths, which give them a permanent “smile.”. There are 36 dolphin species, found in every ocean. Most dolphins are ...
Oct 20, 2022 · Written by: Gaby Pilson. Reviewed by: Lou Dzierzak. Last updated on: October 20, 2022. Of all the ocean’s creatures, the dolphin is arguably the most captivating. Known for their acrobatic displays and their insatiable curiosity, the dolphin is a truly incredible marine mammal.
4 days ago · Dolphins communicate through touch. Dolphins don’t produce sounds through their mouths, but through their blowholes, by moving air through interconnected air sacs. And they don’t use their ...
Dolphins are incredibly intelligent, social, wide-ranging and deep-diving marine mammals. They live in complex social groups called pods, often made up of family members. In the wild, dolphins are very interconnected to the health and survival of the entire marine ecosystem.
May 27, 2024 · The smallest species of dolphin is the same size as a human adult. ©Sergey Uryadnikov/Shutterstock.com. Maui’s dolphin is the smallest, with a length of 1.7 meters (5 ft 7 inches) and a weight of 50 kg (110 lbs). The largest is the killer whale, weighing in at 10 tons and reaching 9.5 meters (31 ft) in length.
There are currently 42 species of dolphins and seven species of porpoises. Dolphins are marine mammals. They must surface to breathe air and give birth to live young. A dolphin pregnancy last between nine and 16 months. The mother feeds her offspring on milk.
Dolphins are marine mammals. They must surface to breathe air and give birth to live young. A dolphin pregnancy last between nine and 16 months. The mother feeds her offspring on milk. The sons and daughters of resident orcas stay with their maternal family for life. Dolphins eat fish, squid and crustaceans.
Jun 16, 2024 · There are 75 species of dolphins, whales, and porpoises living in the ocean. They are the only mammals, other than manatees, that spend their entire lives in the water. Even though they live in the ocean all of the time, dolphins are mammals, not fish.
