Patagonian Desert whom 3,000 ended up in Buenos Aires separated by sexes to avoid their procreation. The boundary treaty of 1881 between Chile and Argentina bought most of the desert under definitive Argentine sovereignty; previously Chile had claimed varying now Argentine areas under claims of inherited colonial titles. In the few decades before and after 1900 the less dry parts of the Patagonian steppe experienced a sheep farming boom, transforming the region into one of the world's greatest exporters of ovine products. The area is sparsely populated today and those that do live here survive mainly by the raising of livestock such
Patagonian toothfish Patagonian toothfish The Patagonian toothfish, Dissostichus eleginoides, is a species of cod icefish found in cold waters () between depths of in the southern Atlantic, Pacific, and Indian Oceans and Southern Ocean on seamounts and continental shelves around most sub-Antarctic islands. A close relative, the Antarctic toothfish, (Dissostichus mawsoni) is found farther south around the edges of the Antarctic shelf; and a Marine Stewardship Council-certified fishery is active in the Ross Sea. The average weight of a commercially caught Patagonian toothfish is , depending on the fishery, with large adults occasionally exceeding . They are thought to live up to