Indo-Pacific humpbacked dolphins, Sousa chinensis, are found the Indian and Pacific Ocean, from the coast of Africa to the coast of China and Australia. There are two distinct forms of this species: Indian humpbacked dolphins Sousa chinensis plumbea and Pacific humpbacked dolphins Sousa chinensis chinensis. Indian humpbacked dolphins are mainly found along the coasts of the Indian Ocean, while Pacific humpbacked dolphins are mainly found along the coasts of Southeast Asia, New Guinea, and Australia. Members of this species have been observed off the coast of over 30 different countries. They do not, however, occur around the Philippines due to the presence of deep oceanic waters.
Biogeographic Regions: indian ocean (Native ); pacific ocean (Native )
- Folkens, P., R. Reeves. 2002. Guide to Marine Mammals of the World.. New York, New York: Alfred A. Knopf, Inc.
- Jefferson, T. 2000. Wildlife Monographs. Population Biology of the Indo-Pacific Hump-Backed Dolphin in Hong Kong Waters, 144: 1-65.
- Shirihai, H., B. Jarrett, G. Kirwan. 2006. Whales, dolphins, and other marine mammals of the world. Princeton, N.J: Princeton University Press.
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