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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 completely reverting to a sexually immature, colonial stage after having reached sexual maturity as a solitary individual.
Most living creatures are bound by the fact of birth, aging and death. Few, however, have evolved to break the typical life cycle. The aptly named immortal jellyfish (Turritopsis dohrnii) is one ...
The lifespan may be long or short, though the species technically does not "age". Individuals of other species have been observed to regress to a larval state and regrow into adults multiple times. The hydrozoan species Turritopsis dohrnii (formerly Turritopsis nutricula ) is capable of cycling from a mature adult stage to an immature polyp ...
Turritopsis dohrnii and Turritopsis nutricula, is a small (5 millimeters (0.20 in)) species of jellyfish that uses transdifferentiation to replenish cells after sexual reproduction. This cycle can repeat indefinitely, potentially rendering it biologically immortal.
Like other types of jellyfish, the T. dohrnii goes through a two-part life cycle, living on the sea floor during an asexual phase, where its chief role is to stay alive during times of food scarcity.
Meanwhile, a species of jellyfish may have already figured out. The Turritopsis dohrnii is believed to be the only creature in existence capable of continuous 'Immortal' jellyfish roams Earth's oceans
Turritopsis chevalense (Thorneley, 1904) – species inquirenda; Turritopsis dohrnii (Weismann, 1883) also known as the "Benjamin Button jellyfish", or the "immortal jellyfish". It can reverse its life cycle and transform itself back to a polyp. [3] Turritopsis fascicularis Fraser, 1943; Turritopsis lata Lendenfeld, 1884; Turritopsis minor ...
Now, this remarkable club of life-cycle-reversing organisms includes the comb jelly Mnemiopsis leidyi, adding a new chapter to what is understood about animal regeneration and development. Image ...