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The jellyfish Turritopsis dohrnii is biologically immortal.
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SUPPORTED
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10 sources for · 0 against
Is it true that the jellyfish Turritopsis dohrnii is biologically immortal?
Yes. A Wikipedia reference states directly that Turritopsis dohrnii is biologically immortal, and several peer-reviewed and museum sources describe its repeated life-cycle reversion and transdifferentiation, with some calling it the immortal jellyfish. Other sources support the mechanism only partially or refer to the related name Turritopsis nutricula.
Verdict: SUPPORTED · 10 sources for, 0 against · Last checked
Evidence for · 10
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Turritopsis dohrnii - Wikipedia. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Turritopsis_dohrnii
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More for · 9
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Keeping up with the Immortal Jellyfish: Biological Immortality in Animals and Humans. (2023). doi.org. https://doi.org/10.47611/jsrhs.v12i3.4774
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V, V., M, U., SA, S., A, V., A, R., IC, V., & CA, C. (2025). Regenerative characteristics of the immortal jellyfish, Turritopsis dohrnii, and their potential implications for human aging.. doi.org. https://doi.org/10.1016/j.regg.2024.101607
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How many species of animals are biologically immortal?. (2025). biology.stackexchange.com. https://biology.stackexchange.com/questions/117994/how-many-species-of-animals-are-biologically-immortal
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Matsumoto, Y. & Miglietta, M. P. (2025). The genetic networks of regeneration, cell plasticity, and longevity of the Immortal Jellyfish
<i>Turritopsis dohrnii</i>
(Cnidaria, Hydrozoa). doi.org. https://doi.org/10.1101/2025.07.02.660568Get citation
AA, L., AP, G., TV, T., TV, A., FE, G., AD, M., AY, G., S, P., MP, M., & EI, R. (2017). Complete mitochondrial genome and evolutionary analysis of Turritopsis dohrnii, the "immortal" jellyfish with a reversible life-cycle.. doi.org. https://doi.org/10.1016/j.ympev.2016.11.007
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Devarapalli, P., Kumavath, R., Barh, D., & Azevedo, V. (2014). The conserved mitochondrial gene distribution in relatives of Turritopsis nutricula, an immortal jellyfish. doi.org. https://doi.org/10.6026/97320630010586
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Genome assembly and transcriptomic analyses of the repeatedly rejuvenating jellyfish Turritopsis dohrnii. (n.d.). cir.nii.ac.jp. https://doi.org/10.1093/dnares/dsac047
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News of the Day: Immortal Jellyfish | Ocean Todaydot gov iconhttps icon. (n.d.). oceantoday.noaa.gov. https://oceantoday.noaa.gov/newsoftheday_immortaljellyfish/
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Immortal jellyfish: The secret to cheating death | Natural History Museum. (n.d.). nhm.ac.uk. https://www.nhm.ac.uk/discover/immortal-jellyfish-secret-to-cheating-death.html
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