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Crown jellyfishes are the six families of true jellyfish that belong to the order Coronatae.They are distinguished from other jellyfish by the presence of a deep groove running around the umbrella, giving them the crown shape from which they take their name.
Note: no medusa stage
Polyps are highly venomous and highly dangerous in aquariums
Synonymised names:
Stephanoscyphus racemosus Komai, 1936 (synonym)