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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 ...
Australian snubfin dolphins have a varied diet, eating a range of fish, shrimp, and cephalopods (squid, cuttlefish and octopus). [9] They are found in small groups of about 2–6, but larger groups (up to 14 individuals) have also been observed. [ 10 ]
Peale's dolphin (Lagenorhynchus australis) is a small dolphin found in the waters around Tierra del Fuego at the foot of South America. It is also commonly known as the black-chinned dolphin or even Peale's black-chinned dolphin. However, since Rice's work [3] Peale's dolphin has been adopted as the standard common name.
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.
An Atlantic white-sided dolphin off the coast of Cape Ann, Massachusetts. The Atlantic white-sided dolphin is a small delphinid. At birth, calves measure just over a meter long; adult males grow to about 2.8 m (9.2 ft), and females to about 2.5 m (8.2 ft), [3] weighing between 180–230 kg (400- 510 lb) once fully grown. [3]
The La Plata dolphin, franciscana or toninha (Pontoporia blainvillei) is a species of river dolphin found in coastal Atlantic waters of southeastern South America. [4] It is a member of the Inioidea group and the only one that lives in the ocean and saltwater estuaries , rather than inhabiting exclusively freshwater systems.
Gray's initial analysis included the Atlantic spotted dolphin in this species. They are now regarded as separate. Both the genus and specific names come from Latin words meaning thin or thinning. Two subspecies of the pantropical spotted dolphin are recognized: [5] S. a. attenuata or offshore pantropical spotted dolphin, found worldwide in ...
Atlantic spotted dolphin, Stenella frontalis Pantropical spotted dolphin , Stenella attenuata While the pantropical spotted dolphin can be found around the world's oceans where a tropical or subtropical climate exists, the Atlantic spotted dolphin can only be found in the Atlantic Ocean .