They are common in the Caribbean and in Bermuda. In the North Atlantic, whales live in the Caribbean and in the waters around Greenland and the Norwegian Sea. In the South Atlantic, they are found along the coasts of Africa and Brazil and in the waters of the Antarctic Ocean. The Atlantic Ocean provides about a fourth of the world's annual catch of fish and shellfish. The leading fishing areas include Dogger Bank and the Grand Banks.
People raise fish and shellfish on coastal fish farms using a process called aquaculture .
Petroleum and natural gas are the Atlantic's most valuable mineral resources. About a fourth of the world's petroleum comes from sediments in the Atlantic's continental shelf. About 70 percent of this petroleum is from marginal seas, especially the Gulf of Mexico and the North Sea. Other valuable mineral products of the Atlantic include gems, sand and gravel, and sulfur. Pollution Pollutants enter the ocean from many sources.