- The Antarctic octopus (Adelieledone adelieana): This species is endemic to the Southern Ocean and is found around Antarctica. It can withstand extremely cold temperatures and has adapted to the unique conditions of the Antarctic environment.
- The Ross Sea octopus (Pareledone turqueti): This species is found in the Ross Sea and is known for its large size, with some individuals reaching up to 1.8 meters in length.
- The Veined octopus (Pareledone charcoti): This species is found in the waters surrounding Antarctica and is characterized by its distinctive purple-brown coloration and white stripes across its body.
- The Cirrate octopus (Cirroctopus glacialis): This species is found in the deep waters around Antarctica and is unique in having long, filamentous arms that help it navigate and capture prey in the dark and cold environment.
These octopuses have specialized adaptations that allow them to survive in the harsh conditions of the Antarctic, including the ability to withstand freezing temperatures, reduced oxygen levels, and limited food resources.