Turritopsis dohrnii grows only as large as 3-4.5mm at full maturity during its medusa stage.
Sources
- Immortal Jellyfishes, Turritopsis dohrnii (marinebio.org)
- https://www.amnh.org/explore/news-blogs/immortal-jellyfish (amnh.org)
- https://www.nhm.ac.uk/discover/immortal-jellyfish-secret-to-cheating-death.html (nhm.ac.uk)
- https://www.tandfonline.com/doi/full/10.1080/11250003.2016.1203034 (tandfonline.com)
- https://www.gbif.org/species/165761467 (gbif.org)
- https://panamabiota.org/stri/taxa/index.php?taxauthid=1&taxon=156868&clid=93 (panamabiota.org)
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