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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 29, 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.
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.
1. Dolphins can be found all over the world and in different environments. There are 36 species of marine dolphins - living in nearly all aquatic environments, including oceans, coastal, estuarine and freshwater - and in temperatures ranging from less than 0°C to more than 30°C.
Dolphins are aquatic mammals that need to breathe air through their blowholes, just like whales. They are small-toothed and live in marine habitats all over the world.
Description of the Dolphin. Though each species has its own unique morphology, or shape, most members of this group share a similar form. They have elongated, streamlined bodies with one dorsal fin on their backs, two pectoral fins underneath, and a tail, or caudal, fin. Sizes range from about 5 ft. long to over 30 ft., depending on the species.
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 ...
Dec 13, 2019 · 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.
Jun 29, 2023 · Dolphins are marine mammals belonging to the infraorder Cetacea, which is also home to whales and porpoises. Known for their high intelligence and acrobatic displays, dolphins are among the most familiar and best-loved members of the animal kingdom. On this page is a list of all living dolphin species, with pictures and interesting facts on each.
Dolphins are marine mammals which breathe air and give birth to live young. They are socially skilled, intelligent, agile, joyful, and playful creatures that share many emotional similarities with humans. While most dolphins live in the ocean, some inhabit rivers and lakes.
