Common Dolphins in Emerald World Common dolphins inhabit
tropical to warm waters, generally preferring surface
temperatures greater than 10°C. They are found mostly in
relatively deep offshore waters, but some live in shallow
coastal waters. They are found in the Pacific Ocean, Indian
Ocean, Gulf of Mexico, Mediterranean, the Black Sea, the Red
Sea, the Persian Gulf, Sea of Japan, the South China Sea and the
Gulf of California. In the Atlantic, they occur from
Newfoundland to Argentina and from Norway to South Africa.