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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 ...
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.
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.
Aglantha digitale is the most common species of jellyfish found in surface waters in the Arctic and sub-Arctic. It occurs above the continental slope but is more common over the deep ocean, seldom occurring at a depth greater than 200 m (660 ft).
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 ]
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).
On the television program QI, the show claimed that the longest animal in the world was the lion's mane jellyfish. This was later corrected – in 1864, a bootlace worm (Lineus longissimus) was found washed up on the coast of Fife, Great Britain, that was 55 m (180 feet) long. However, this claim is disputed, as bootlace worms can easily ...
Atolla wyvillei, also known as the Atolla jellyfish, Coronate medusa, and deep-sea jellyfish, is a species of deep-sea crown jellyfish (Scyphozoa: Coronatae). [2] It lives in oceans around the world. [3] Like many species of mid-water animals, it is deep red in color.