Patagonian opossum Patagonian opossum The Patagonian opossum "(Lestodelphys halli)" is the sole species in genus Lestodelphys. The Patagonian opossum occurs further south, in Argentina, than any other living marsupial. Although distributed throughout some parts of southern Argentina, it is one of the least known mammals of South America. They have been spotted near Monte Phytogeographic Province, and in Patagonia Phytogeographic Province, yet there are no records of Patagonian opossums in central Patagonia, which leads mammalogists to believe that they can only live in the Patagonian steppe. There are two areas in the Patagonian steppe where these animals are often found: the province
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