Moon Jelly, Aurelia aurita

Cabrillo Marine Aquarium, San Pedro, CA. 7/3/12. © Peter J. Bryant Video	Moon Jelly Aurelia aurita Scyphozoa: Ulmaridae Back to Cnidaria of Orange County, California Back to Natural History of Orange County, California Back to Intertidal index page
Aquarium of the Pacific, Long Beach, CA. 1/15/13. © Ron Hemberger.	Aquarium of the Pacific, Long Beach, CA. 1/15/13. © Ron Hemberger.
Aquarium of the Pacific, Long Beach, CA. 1/15/13. © Ron Hemberger.	Aquarium of the Pacific, Long Beach, CA. 1/15/13. © Ron Hemberger.
Aquarium of the Pacific, Long Beach, CA. 1/15/13. © Ron Hemberger.	Immature polyp. From the Ocean Institute (Department of Husbandry), Dana Point, CA. 5/31/15. © Peter J. Bryant. Video.
Stobilating polyp. From the Ocean Institute (Department of Husbandry), Dana Point, CA. 6/1/15. © Peter J. Bryant. Video.	Ephyra larva (species determined by DNA barcode). Newport Bay, Newport Beach, Orange County, CA. 11/19/13. © Peter J. Bryant. Video.
Jellyfish development occurs in multiple phases. Eggs and sperm develop into larval planulae, become polyps, bud into ephyrae and then transform into adult medusae. In some species, specimens may skip some phases (Wikipedia).