It is probably rare for these moon jellies to live more than about six months in the wild, although specimens cared for in public aquarium exhibits typically live several to many years.
The jellyfish themselves feed mostly on zooplankton, small fish, ctenophores, and moon jellies.
So, we visited the aquarium's remarkable hall of fishes - the moon jellies are psychedelic-looking and the leopard sharks in the kelp forest are snazzy.
Walking with them, it suddenly seemed incredible that I could have lived for two years in a city and not have come here to press my face up against a tank of miraculously small moon jellies.
In moon jellies, the eggs lodge in pits on the oral arms, which form a temporary brood chamber for the developing planula larvae.
They're also known as moon jellies.
This exhibit includes African cichlids, arapaima, discus, flashlight fish, Japanese spider crabs, moon jellies, Giant Pacific Octopus, piranhas, and lake sturgeons.
A series of mini marine-worlds show off the state's underwater treasures: intriguing sea dragons, moon jellies (which billow, iridescent, through a giant cylinder), venomous fish and sea snakes.
Aurelia (includes the moon jelly)
It is not uncommon to find moon jellies that got caught on the sand bar before the tide lowered.