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Oceanic dolphins or Delphinidae are a widely distributed family of dolphins that live in the sea.Close to forty extant species are recognised. They include several big species whose common names contain "whale" rather than "dolphin", such as the Globicephalinae (round-headed whales, which include the false killer whale and pilot whale).
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.
Dolphins of the Sea is a bronze sculpture by Katharine Lane Weems, installed outside the New England Aquarium on Boston's Central Wharf, in the U.S. state of Massachusetts. The sculpture depicts a pod of swimming dolphins and measures approximately 4 × 3 × 7 ft. [ 1 ] It was copyrighted in 1977.
The Tethys Sea was a shallow sea between the Asian continent and northward-bound Indian plate. [citation needed] Cetaceans evolved convergently as streamlined swimmers with fish and aquatic reptiles. Molecular and morphological evidence suggests that artiodactyls as traditionally defined are paraphyletic with respect to cetaceans.
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The range of the Pacific white-sided dolphin arcs across the cool to temperate waters of the North Pacific. [6] [11] [12] Sightings go no further south than the South China Sea on the western side and the Baja California Peninsula on the eastern. Populations may also be found in the Sea of Japan and the Sea of Okhotsk.
The bottlenose dolphin is a toothed whale in the genus Tursiops.They are common, cosmopolitan members of the family Delphinidae, the family of oceanic dolphins. [3] Molecular studies show the genus contains three species: the common bottlenose dolphin (Tursiops truncatus), the Indo-Pacific bottlenose dolphin (Tursiops aduncus), and Tamanend's bottlenose dolphin (Tursiops erebennus).