Desmonema Comatum
''Desmonema'' may refer to: * ''Desmonema'' (jellyfish), a genus of jellyfishes in the family Cyaneidae * ''Desmonema'', a genus of plants generally considered synonymous with ''Euphorbia ''Euphorbia'' is a very large and diverse genus of flowering plants, commonly called spurge, in the family Euphorbiaceae. "Euphorbia" is sometimes used in ordinary English to collectively refer to all members of Euphorbiaceae (in deference to t ...

Desmonema (jellyfish)
''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. Anatomy The anatomical structure of ''Desmonema'' closely resembles that of the genus '' Cyanea''. ''Desmonema'' tend to have a wider bell diameter between 20 and 100 centimeters compared to other Scyphozoans. They have a strong, well-developed radial and circular arrangement ...
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Cyaneidae
The Cyaneidae are a family of true jellyfish. About 20 species are in this family, including the well-known lion's-mane jellyfish. Species The following species are recognized within the family Cyaneidae. Formerly, this family also included the genus ''Drymonema''. 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. * Genus '' Cyanea'' Péron & Lesueur, 1810 **'' Cyanea annaskala'' von Lendenfeld, 1884 **''Cyanea buitendijki'' Stiasny, 1919 **''Cyanea capillata'' (Linnaeus, 1758) **''Cyanea citrae'' (Kishinouye, 1910) **'' Cyanea ferruginea'' Eschscholtz, 1929 **'' Cyanea lamarckii'' Péron & Lesueur, 1809 **'' Cyanea nozakii'' Kishinouye, 1891 **'' Cyanea postelsi'' Brandt, 1838 **'' Cyanea purpurea'' Kishinouye, 1910 **'' Cyanea rosea'' Quoy & Gaimard 1824 * Genus '' Desmonema'' L. Agassiz, 1862 **''Desmonema chierchi ...
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