It is native to the western Pacific from Australia to Japan. it can reach up to 50 cm.in bell diameter. True jellyfish go through a two-stage life cycle which consists of a medusa stage (adult) and a polyp stage (juvenile). When found in warm waters these jellyfish flourish. They are mostly euryhaline. Their nutrition comes primarily from zooplankton.
They have only a mild venom and are not considered a threat to humans. They have a mild or non-noticeable sting which can be cured with dilute acid. (Usually white or cider vinegar)