Desmonema gaudichaudi
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| Desmonema gaudichaudi | |
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Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Cnidaria |
| Class: | Scyphozoa |
| Order: | Semaeostomeae |
| Family: | Cyaneidae |
| Genus: | Desmonema |
| Species: | D. gaudichaudi |
| Binomial name | |
| Desmonema gaudichaudi Lesson, 1829 | |
| Synonyms[1] | |
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Desmonema gaudichaudi, the spotted jellyfish, is a species of visually striking jellyfish belonging to the family Cyaneidae. It is known for its broad, often spotted bell and its presence in subantarctic and temperate waters of the Southern Hemisphere. The species was first described by the French naturalist René Lesson in 1830.
Desmonema gaudichaudi is characterised by a bell that typically measures 10-20 cm in diameter, though specimens up to 50 cm across have been recorded. Bell coloration is variable, ranging from pale hues with dark spots to uniformly maroon, brown, or violet shades. The margin of the bell bears 32 lobes (lappets), with tentacle clusters that usually consist of five to seven tentacles arranged in a single row.[2]
Internally, the species displays a few broad radial canals branching from the stomach to the bell margin, with lateral canals often exhibiting unilateral branching. It also features four long oral arms used for prey capture and transport to the central mouth.[3]