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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 La Plata dolphin is the only species of the family Pontoporiidae and genus Pontoporia. These dolphins are known for their long beak in relation to their relatively small body size. They have a small geographic range and are mainly found in the waters along the east coast of South America.
Twelve cetacean species can be found here (representing 15% of known cetacean species and 60% of Mediterranean species, including the eight common species), including some 450 bottlenose dolphins, 750 fin whales and 35,200 striped dolphins. [2]
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.
Researchers with NOAA and the University of Miami, among others, worked for eight years studying 147 skulls and 43 spines of stranded bottlenose dolphins. Some specimens were found in South ...
The report said eight of these dolphins died since 2018, with five dying in 2023 alone. The organisation’s founder, Ric O’Barry, made his first trip to the island on 31 March and reported his ...
The Indo-Pacific humpback dolphin (Sousa chinensis) [3] is a species of humpback dolphin inhabiting coastal waters of the eastern Indian and western Pacific Oceans. [4] This species is often referred to as the Chinese white dolphin in mainland China, Macau, Hong Kong, Singapore and Taiwan as a common name.