Found throughout most of the world's oceans . The adult has a transparent look with umbrella margin membrane and bright circular gonads under the stomach. Aurelia lacks respiratory, excretory, and circulatory systems. It respires by diffusing oxygen from water through the thin membrane covering its body. Aurelia aurita is known to be eaten by a wide variety of predators .Naturally they die after living and reproducing for several months. It is probably rare for these moon jellies to live more than six months in the wild, although specimens cared for in public aquarium exhibits typically live several to many years.