Commerson's Dolphin - Population and Distribution

Population and Distribution

The species is distributed in two locations. The larger population is found inshore in various inlets in Argentina, in the Strait of Magellan and near the Falkland Islands. The second population (discovered in the 1950s) resides near the Kerguelen Islands, 8,000 km to the east of the main population. They prefer shallow waters. Global populations are unknown, but the species is accepted to be locally common. A survey in 1984 estimated there to be 3,400 individuals in the Strait of Magellan.

The dolphin is found in two geographically disparate areas:

  • the southern coast of South America around Puerto Deseado, Tierra del Fuego and the Falkland Islands, and
  • waters near the Kerguelen Islands in the southern part of the Indian Ocean.

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