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Stygiomedusa gigantea, commonly known as the giant phantom jelly, is the only species in the monotypic genus of deep sea jellyfish, Stygiomedusa. It is in the Ulmaridae family. [2] With only around 110 sightings in 110 years, it is a jellyfish that is rarely seen, but believed to be widespread throughout the world, with the exception of the ...
The Deepstaria enigmatica has a wide, thin bell (up to 60 cm or 2 ft), [1] transparent in appearance, which undulates as the jellyfish moves. They are usually found in Antarctic and near-Antarctic seas, but have been spotted in waters near the United Kingdom and Gulf of Mexico, at depths of 600–1,750 metres (1,970–5,740 ft).
Turritopsis dohrnii, also known as the immortal jellyfish, is a species of small, biologically immortal jellyfish [2] [3] found worldwide in temperate to tropic waters. It is one of the few known cases of animals capable of reverting completely to a sexually immature, colonial stage after having reached sexual maturity as a solitary individual.
‘Time-traveler’ jellyfish found to age backward in accidental discovery. Hannah Sparks. November 10, 2024 at 1:44 PM. Most living creatures are bound by the fact of birth, aging and death. Few ...
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The new species of jellyfish is considered “relatively large,” its body reaching just over 1 inch in height and its tentacles measuring over 2 inches in length, the study said.
L. janetae has been found at depths ranging between 2500-2700m. [ 1 ] [ 2 ] When originally described it was believed to be the second deepest-living member of the genus Lucernaria , [ 1 ] the deepest living known Stauromedusan was then Lucernaria bathyphila , recorded at a depth of 2800m. [ 3 ]
Jellyfish have a complex life cycle, and the medusa is normally the sexual phase, which produces planula larvae. These then disperse widely and enter a sedentary polyp phase which may include asexual budding before reaching sexual maturity. Jellyfish are found all over the world, from surface waters to the deep sea.