Aurelia aurita: The Moon Jelly
The moon Jelly, also known as the common jelly, saucer jelly, or by its scientific name, Aurelia aurita, is a well known species of jellyfish which is found in most of the world´s oceans. This species is unique because they can survive in water with salinity as low as 6/1000. It belongs to the kingdom Animalia, the phylum Cnidaria, the class Scyphozoa, the order Semaeostomeae, the family Ulmaridae, and the genus Aurelia.
https://www.amazingamazon.com.au/moon-jellyfish-care-sheet-information