giant phantom jelly

== English == === Etymology === From this animal's large size and ghostly appearance. === Noun === giant phantom jelly (plural giant phantom jellies) A species of deep-sea jellyfish, Stygiomedusa gigantea, commonly found in the ocean's midnight zone, and twilight zone usually at depths of 6,665 m (21,867 ft). It is rarely seen, but believed to be widespread throughout the world, with the exception of the Arctic Ocean. === References === giant phantom jelly on Wikipedia.Wikipedia Stygiomedusa gigantea on Wikispecies.Wikispecies Category:Stygiomedusa gigantea on Wikimedia Commons.Wikimedia Commons