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| Cyaneidae | |
|---|---|
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| Lion's mane jellyfish (Cyanea capillata) | |
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| Desmonema gaudichaudi | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Cnidaria |
| Class: | Scyphozoa |
| Order: | Semaeostomeae |
| Family: | Cyaneidae L. Agassiz, 1862 |
| Genera | |
The Cyaneidae are a family of true jellyfish. About 20 species are in this family, including the well-known lion's-mane jellyfish.
The following species are recognized within the family Cyaneidae. Formerly, this family also included the genus Drymonema . [1] The Cyaneidae species do not possess any internal organs, ganglia, or any other nerve cells. They do, however, possess gap junctions between neurons which allow for complex reactive behavior and swimming actions. [2] [ page needed ]
The lion's mane jellyfish, also known as the giant jellyfish, arctic red jellyfish, or the hair jelly, is one of the largest known species of jellyfish. Its range is confined to cold, boreal waters of the Arctic, northern Atlantic, and northern Pacific Oceans. It is common in the English Channel, Irish Sea, North Sea, and in western Scandinavian waters south to Kattegat and Øresund. It may also drift into the southwestern part of the Baltic Sea. Similar jellyfish – which may be the same species – are known to inhabit seas near Australia and New Zealand. The largest recorded specimen was measured off the coast of Massachusetts in 1865 and had a bell with a diameter of 210 centimetres and tentacles around 36.6 m (120 ft) long. Lion's mane jellyfish have been observed below 42°N latitude for some time in the larger bays of the East Coast of the United States.
Desmonema may refer to:
In biology, a homonym is a name for a taxon that is identical in spelling to another such name, that belongs to a different taxon.
Cyanea may refer to:
Chrysaora is a genus of jellyfish, commonly called the sea nettles, in the family Pelagiidae. The origin of the genus name Chrysaora lies in Greek mythology with Chrysaor, brother of Pegasus and son of Poseidon and Medusa. Translated, Chrysaor means "he who has a golden armament."
Turritopsis is a genus of hydrozoans in the family Oceaniidae.
Cyanea is a genus of jellyfish, primarily found in northern waters of the Atlantic and Pacific Oceans and southern Pacific waters of Australia and New Zealand, there are also several boreal, polar, tropical and sub-tropical species. Commonly found in and associated with rivers and fjords. The same genus name has been given to a genus of plants of the Hawaiian lobelioids, an example of a parahomonym.
Kamakichi Kishinouye was a Japanese fisheries biologist and cnidariologist and a professor of the Imperial University of Tokyo between 1908 and 1928. Kishinouye died in Chengtu of a sudden illness while on a collecting expedition to China.
Calvadosia is a genus of stalked jellyfish in the order Stauromedusae. It is the only genus in the monotypic family Kishinouyeidae.
Cephea is a genus of true jellyfish in the family Cepheidae. They are found in the Indo-Pacific and eastern Atlantic oceans. They are sometimes called the crown jellyfish, but this can cause confusion with the closely related genus Netrostoma or the distantly related species in the order Coronatae. They are also sometimes called the cauliflower jellyfish because of the cauliflower-looking form on top of its bell.
Haliclystidae is a family of stalked jellyfish in the order Stauromedusae.
Aequorea is a genus of pelagic hydrozoans in the family Aequoreidae.
Apolemia is a genus of siphonophores. It is the only genus in the monotypic family Apolemiidae.
Chrysaora chinensis, or the Indonesian sea nettle, is a species of jellyfish in the family Pelagiidae. It is native to the central Indo-Pacific region and its sting is considered dangerous.
Morbakka virulenta is a species of box jellyfish that is found in waters near the islands of Japan. The species was originally described in the genus Tamoya by Kamakichi Kishinouye in 1910. However, unlike other species of that genus, this jellyfish did not have the vertical gastric phacellae which protect the inside of the bell with nematocyst warts. As a result, it was reclassified to the genus Morbakka due to its distinctively shaped rhopaliar horns which resemble rabbit ears. Because of its painful stings, M. virulenta has been nicknamed Hikurage, which is “fire jellyfish” in Japanese.
Manania are a genus of stalked jellyfish in the family Haliclystidae.
Desmonema is a genus of jellyfish under the Cyaneidae family found in colder waters near the Antarctic region and off of the coast of Argentina. They have a bell diameter that can extend over 1 meter and wide tentacles that are grouped together in clusters. They share similar anatomical and physiological structures to the genus Cyanea. Their sophisticated structures like the thick tentacles, sensory systems, and gastrovascular system allow Desmonema to easily capture and extracellularly digest their prey. In recent years, Desmonema were reported to have a commensal relationship with fishes under the Trachurus genus and a parasitic relationship with specimens of the Hyperia genus. The genus name derives from the Ancient Greek desmós (δεσμός), meaning "bond", and nêma (νῆμᾰ), meaning "thread".
Cyanea citrea is a species of true jellyfish in the family Cyaneidae. It has been found in waters off the coasts of Japan and Russia. The generic name, Cyanea, is derived from the Latin cyaneus, meaning "deep or dark blue in color". The specific epithet, citrea, is derived from the Latin citreus, meaning "citrus", likely in reference to the species' orange color.
Cyanea purpurea is a species of true jellyfish in the family Cyaneidae. It has been found off the coasts of Sakhalin and China. The generic name, Cyanea, is derived from the Latin cyaneus, meaning "deep or dark blue in color". The specific epithet, purpurea, is derived from the Latin purpureus, meaning "purple", in reference to its violet color.
Desmonema glaciale, known as the Antarctic giant jellyfish, is a species of jellyfish in the family Cyaneidae. The species can only be found in the Southern Ocean near the coast of Antarctica. The species Hyperia macrocephala has been found living inside the jellyfish.
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