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Unlike some other dolphin species, the Atlantic humpback dolphin swims in relatively shallow waters, less than 30 meters in depth. This proclivity for shallow waters means that the dolphins should ...
The Amazon river dolphin (Inia geoffrensis), also known as the boto, bufeo or pink river dolphin, is a species of toothed whale endemic to South America and is classified in the family Iniidae. Three subspecies are currently recognized: I. g. geoffrensis (Amazon river dolphin), I. g. boliviensis ( Bolivian river dolphin ) and I. g. humboldtiana ...
As of 2022, the IUCN Red List of mammals lists both South Asian river dolphins as endangered. [18] [30] Two assessments in 2014 and 2015 estimated populations of 3,500 for the Ganges river dolphin and 1,500 for the Indus river dolphin. [19] [31] The Ganges species appears to be decreasing, while the Indus species may be increasing.
Irrawaddy dolphins in general however, are IUCN listed as an Endangered species, which applies throughout their whole range. [1] In 2004, CITES transferred the Irrawaddy dolphin from Appendix II to Appendix I , which forbids all commercial trade in species that are threatened with extinction.
In fact, all extant river dolphin species are endangered or critically endangered, the IUCN says. Researchers discovered the Amazonian dolphin fossil in 2018, near the Napo River in Loreto, Peru.
Hector's dolphin (Cephalorhynchus hectori) is one of four dolphin species belonging to the genus Cephalorhynchus.Hector's dolphin is the only cetacean endemic to New Zealand, and comprises two subspecies: C. h. hectori, the more numerous subspecies, also referred to as South Island Hector's dolphin; and the critically endangered Māui dolphin (C. h. maui), found off the West Coast of the North ...
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).
Toxins from the bacteria in the water can easily wipe out a critically endangered species, like the Atlantic Humpback dolphin. Anthropogenic sound includes the hearing loss and ear tissue damage of the dolphins from noisy coastal development and shipping. The geographic location of Atlantic humpbacks depend on the water temperature and prey ...