Under the Antarctic Ice--Dorsal View of Sea Star Perknaster aurorae
June 11, 2010
Under the Antarctic Ice--Dorsal View of Sea Star Perknaster aurorae Dorsal view of sea star Perknaster aurorae Perknaster aurorae is found in the Antarctic Peninsula, South Shetland Islands, South Sandwich Islands, South Georgia Island and Shag Rocks, and probably throughout Antarctica, from 18 to 310 meters depth. P. aurorae has a large convex disc and long arms that are wide at the base. It has been collected at sizes up to fourteen centimeters in radius from its center to the tip of an arm. For more information about sea stars and other benthic life in McMurdo Sound, visit the Web page Underwater Field Guide to Ross Island & McMurdo Sound, Antarctica. (Date of Image: Jan. 11, 2005).
Topics: Environment, McMurdo Sound, Geography of Antarctica, Physical geography, Geography, Shag Rocks, South Georgia, Antarctic Peninsula, Ross Island, South Shetland Islands, antarctic