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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 (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.
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.
Several bottlenose dolphins in the Gulf of Mexico were found to have traces of fentanyl in their system, shocking scientists and bringing in a new set of questions in the ongoing drug epidemic.
Platanistidae is a family of river dolphins containing the extant Ganges river dolphin and Indus river dolphin (both in the genus Platanista) but also extinct relatives from freshwater [2] and marine deposits in the Neogene.
The family Balaenidae, the right whales, contains two genera and four species. All right whales have no ventral grooves; a distinctive head shape with a strongly arched, narrow rostrum, bowed lower jaw; lower lips that enfold the sides and front of the rostrum; and long, narrow, elastic baleen plates (up to nine times longer than wide) with fine baleen fringes.
The eastern Pacific populations of pantropical spotted dolphins are divided into 3 units – coastal and 2 offshore populations, northeastern and western-southern. [12] Just under 5 million dolphins were killed between 1959 and 1972. 3 million of these were from the northeastern offshore population unit. [13]
The Dolphins had reason to believe he would be an upgrade over Roberts in pass coverage. In his final two years with Tennessee before signing with the Dolphins, Long permitted 86.1 and 87 passer ...