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Marine Animal Encyclopedia

Indo-Pacific Humpback Dolphin Sousa chinensis

The Indo-Pacific humpback dolphin is a warm-water dolphin that gets its name from the conspicuous hump beneath its dorsal fin. Generally seen alone or in pairs, the Indo-Pacific humpback dolphin shows a wide variation in color—some specimens are bluish gray, while others are almost white, particularly when they age. The Indo-Pacific humpback dolphin feeds on fish, octopus, and squid, and it rarely strays far from the shore. A similar species exists off the Atlantic coast of Africa, and both species roll their bodies when they breathe, instead of jumping clear of the water.

Indo-Pacific Humpback Dolphin habitat mapzoom image
  • Order Cetacea
  • Length 6–9 ft (2–2.8 m)
  • Weight Up to 440 lb (200 kg)
  • Habitat Coastal waters, lagoons, estuaries
  • Distribution Red Sea, Persian Gulf, Indian Ocean, and southwestern Pacific