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Stenella longirostris Spinner dolphin

Stenella longirostris Spinner dolphin
Reprint from Animal Diversity Web
By Jennifer Bull
Geographic Range
Spinner dolphins are found in the tropical and subtropical waters in the Atlantic, Indian and Pacific oceans. They can also be found in some warm temperate areas. Spinner dolphins often occur near islands (Klinowska 1991).
Stenella longirostris is mostly pelagic. It does spend time in both shallow waters and deeper water farther from land.
Physical Description
Spinner dolphins are six to seven feet long and have a three part color pattern on their bodies. The pattern consists of a dark gray back, a pearl-gray side panel, and a white belly. Males possess a postanal hump and are generally larger than the females (Norris, 1991). Spinner dolphins that live farther away from land are morphologically different from those that live close to land (Norris et al, 1994).