Patagonian toothfish 50 years and to reach a length up to . Several commercial fisheries exist for Patagonian toothfish which are detailed below. This species is also sold in the trade under the culinary names Chilean seabass in the United States and Canada; in Argentina, Peru and Uruguay; legine australe in France; mero in Korea, Japan, and Spain, and bacalao de profundidad in Chile. The name "Chilean seabass" was invented by a fish wholesaler named Lee Lantz in 1977. He was looking for a name that would make it attractive to the American market. He considered "Pacific sea bass" and "South American
Patagonian Desert known by name are those of the Tehuelche complex. Tehuelches lived as hunter-gatherers and did not practise agriculture in lush valleys found in the desert. In the 18th and 19th centuries the northern part of the desert came under Mapuche influence during a process of Araucanization. Mapuches came to practise horse husbandry in the northern part of the Patagonian steppe. Mapuche tribes came to control trade across the desert and traded with the cities of southern Chile as well as Buenos Aires and the Cuyo Region. From the mid-19th century onwards several Argentine and European settlements, some of them sporadic,