Cyanea (jellyfish)

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Lion's mane jellyfish, Cyanea capillata
Scientific classification e
Kingdom: Animalia
Phylum: Cnidaria
Class: Scyphozoa
Order: Semaeostomeae
Family: Cyaneidae
Genus: Cyanea
Péron and Lesueur, 1809

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Cyanea is a cosmopolitan genus of stinging jellyfish, primarily found in northern waters of the Atlantic and Pacific Oceans. The same genus name has been given to a genus of plants of the Hawaiian lobelioids, an example of a parahomonym (same name, different kingdom).[1]


The taxonomy of Cyanea species is not fully agreed upon. Some zoologists have suggested that all species within the genus should be treated as one. However, in the North Sea at least, the lion's mane jellyfish and the blue jellyfish appear as distinct species.[2] Cyanea may be a species complex of recently diverged species.


  1. ^ "Cyanea". Integrated Taxonomic Information System. 
  2. ^ Howson, C.M. & Picton, B.E. (Ed.) (1997): The species directory of the marine fauna and flora of the British Isles and surrounding seas. Ulster Museum Publication, no 276. The Ulster Museum: Belfast, UK. ISBN 0-948150-06-8. vi, p 508