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 Volcanic Field near the Strait of Magellan. The volcanic rocks are the result of back-arc volcanism distributed mainly in two episodes: one in the Eocene and Miocene and the other from Late Miocene to Pleistocene. Despite the harsh desert environment, a number of animals venture into and live in the Patagonian. Some only live on the more habitable and geographically-varied outskirts of the desert, where food is more abundant and the environment less hostile, but all are found within the region encompassing the Patagonian. The burrowing owl, lesser rhea, guanaco, tuco-tuco, mara, pygmy armadillo, Patagonian weasel, puma, Patagonian gray fox,