Southern Ocean Southern Hemisphere, with the greatest concentration located on and around Antarctica. Four of the 18 penguin species live and breed on the mainland and its close offshore islands. Another four species live on the subantarctic islands. Emperor penguins have four overlapping layers of feathers, keeping them warm. They are the only Antarctic animal to breed during the winter. There are relatively few fish species in few families in the Southern Ocean. The most species-rich family are the snailfish (Liparidae), followed by the cod icefish (Nototheniidae) and eelpout (Zoarcidae). Together the snailfish, eelpouts and notothenioids (which includes cod icefish and several
Southern Kangaroo Island Marine Park Southern Kangaroo Island Marine Park Southern Kangaroo Island Marine Park (formerly Southern Kangaroo Island Commonwealth Marine Reserve) is a marine protected area located south of South Australia in waters within the Australian Exclusive economic zone to the south of Kangaroo Island and ranging in depth from to . It was gazetted in November 2012. It was renamed on 11 October 2017. It is part of a group of Australian marine parks managed by the Department of the Environment and Energy known as the South-west Marine Park Network. It is bounded on its northern side by the Southern Kangaroo Island Marine