PAINTING - (a) INDO-PACIFIC HUMPBACK DOLPHIN & (b) ROUGH-TOOTHED DOLPHIN

INDO-PACIFIC HUMPBACK DOLPHIN (Sousa chinensis)
Although the humpback dolphins are inshore species, found from South Africa throughout the Indo-Pacific region as far east as the China Sea, they are very poorly known; it is even unclear if there is a single species throughout this vast range, or ass many as three. Some scientists assign full species recognition to the white dolphin (Sousa borneensis), the lead-colored dolphin (S. plumbea), and the freckled dolphin (S. lentiginosa). The name "humpback" is derived from the peculian ridge on the back, on which is perched the small dorsal fin. These dolphins average about 8 feet in length, although some forms are longer.
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ROUGH TOOTHED DOLPHIN (Steno bredanensis)
This dolphin gets its common name from the striations on its teeth, which are too small to be seen with the naked eye. Steno is a dark purplish-brown, and is usually found with pinkish circular scars on its body, making it possible to describe the animal as a "purple dolphin with pink polka-dots." (The scars are believed to be caused by a species of small shark that takes circular bites from the living dolphin.) The rough-toothed dolphin reaches a length of 8 feet, and while it is found throughout the world's tropical and temperate waters, it is nowhere near common.
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Reframed No Verso RE1999.322a,b