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A common bottlenose dolphin (Tursiops truncatus). 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).
The tucuxi (Sotalia fluviatilis), alternatively known in Peru bufeo gris or bufeo negro, is a species of freshwater dolphin found in the rivers of the Amazon basin.The word tucuxi is derived from the Tupi language word tuchuchi-ana, and has now been adopted as the species' common name.
Ivan and Bessie from the 1967 novel The Day of the Dolphin or Alpha and Beta in the 1973 film adaptation; Slim and Delbert from the TV series Dolphin Cove; Snorky from the Night of the Dolphin segment of The Simpsons 2000 episode "Treehouse of Horror XI" The dolphin from the fairy tale The Dolphin; Zoom from the anime series Zoom the White Dolphin
The dolphin is normally sighted in deep tropical waters; between 30°S and 20°N. The Eastern Pacific is the most reliable site for viewings. Groups of stranded dolphins have been found as far afield as France and Uruguay. However these are regarded as anomalous and possibly due to unusual oceanographic conditions, such as El Niño.
Calves, which are born initially creamy-dark grey or brown, attain adult colouring by the age of one year. [7] The beak of northern right whale dolphins is short and well-defined, characterised by a straight mouthline. The flippers are small, curved, narrow and pointed. The tail flukes are triangular and, like the flippers, rather pointed.
Dorsal fin shapes differ from one Irrawaddy dolphin to another. [7] The flippers are long and broad. [9] These dolphins are usually two-toned, with the back and sides being gray to bluish-gray and the belly lighter. [9] Unlike any other dolphin, the Irrawaddy's U-shaped blowhole is on the left of the midline and opens towards the front of the ...
The common dolphin (Delphinus delphis) is the most abundant cetacean in the world, with a global population of about six million. [3] Despite this fact and its vernacular name, the common dolphin is not thought of as the archetypal dolphin, with that distinction belonging to the bottlenose dolphin due to its popular appearances in aquaria and the media.
The Clymene dolphin (Stenella clymene), in older texts known as the short-snouted spinner dolphin, is a dolphin endemic to the Atlantic Ocean. It is the only confirmed case of hybrid speciation in marine mammals, descending from the spinner dolphin and the striped dolphin .