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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 ...
The Australian snubfin dolphin is unusual among recently described mammals in that a population is accessible for scientific study. Nonetheless, the existence of snubfin dolphins in the waters of northern Australia had only become known to western scientists in 1948, when a skull was collected at Melville Bay (Gove Peninsula, Northern Territory).
Scientists found that members of the new species are smaller than their offshore common bottlenose counterparts, eat different fish and have spines adapted to navigating the tight spaces of rivers ...
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.
Researchers in Portugal have added Atlantic spotted dolphins to the list of mammals that grieve their dead, reports Wired. Mentioned specifically in their study are two occasions in which members ...
In comparison to other dolphin species, the Atlantic spotted dolphin is medium-sized. Newborn calves are about 35–43 in (89–109 cm) long, while adults can reach a length of 2.26 m (7 ft 5 in) and a weight of 140 kg (310 lb) in males, and 2.29 m (7 ft 6 in) and 130 kg (290 lb) in females.
The Atlantic humpback dolphin (Sousa teuszii) is among the poorest understood oceanic mammals.There is a lack of historical and present-day information about population size, habitats, ecology ...
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 .