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The Australian snubfin dolphin (Orcaella heinsohni) is a dolphin found off the northern coasts of Australia. It closely resembles the Irrawaddy dolphin (of the same genus, Orcaella ) and was not described as a separate species until 2005.
The snubfin dolphins (Orcaella) contain two of the 35 species of oceanic dolphins that make up the Cetacean family of Delphinidae. [5] The phylogenetic status of Orcaella has long been confused. Although the snubfin dolphins share similar external features with the Monodontidae (narwhal), [ 2 ] a genetic study conducted by Arnason and ...
A total of 65 Irrawaddy dolphins has been found dead along the coast of Trat Province in the past three years. [68] The local fishing industry is blamed for the deaths of the dolphins. [69] In January 2013, over a dozen dead Irrawaddy dolphins were found on the coast of Thailand. These dolphins were said to be dead because of a lack of oxygen.
Long-beaked common dolphin, Delphinus capensis DD (ssp. capensis - long-beaked common dolphin NE, ssp. tropicalis - Indo-Pacific common dolphin NE) Short-beaked common dolphin, Delphinus delphis LC (ssp. delphis - short-beaked common dolphin Mediterranean Subpopulation EN, ssp. ponticus - Black Sea common dolphin VU) Pygmy killer whale, Feresa ...
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 ...
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).
As the name implies, they tend to be found in the open seas, unlike the river dolphins, although a few species such as the Irrawaddy dolphin are coastal or riverine. The Delphinidae are characterized by having distinct beaks (unlike the Phocoenidae), two or more fused cervical vertebrae and 20 or more pairs of teeth in their upper jaws.
It is positioned at the crossroads of the Indian Ocean, the Pacific Ocean, and the South China Sea. [4] The region, characterized by extensive coastlines and numerous islands, is a global biodiversity hotspot with significant marine resources, including a large proportion of the world's reefs and mangroves. [ 2 ]