# Immortal jelly (*Turritopsis dohrnii*)

Canonical page: https://creaturedata.com/animals/immortal-jelly  
Data as of: 2026-11-11

The immortal jelly (Turritopsis dohrnii) is an invertebrate in the jellyfish and corals subgroup, placed in the family Oceaniidae of the class Hydrozoa. It belongs to the phylum Cnidaria, order Anthoathecata, suborder Filifera and genus Turritopsis. Other English names for it are Forever jellyfish, Immortal jellyfish and Benjamin button jellyfish, and its scientific name carries the authority (Weismann, 1883). The Catalogue of Life lists it as a living species, not extinct.

## Quick facts

| Fact | Value |
|---|---|
| Weight | Not recorded |
| Length | Not recorded |
| Lifespan | Not recorded |
| Main food | Not recorded |
| Habitat | Not recorded |
| Young per litter or clutch | Not recorded |
| Conservation status | Not recorded |
| Countries on record | Not recorded |

## Classification

- kingdom: Animalia
- phylum: Cnidaria
- class: Hydrozoa
- order: Anthoathecata
- family: Oceaniidae
- genus: Turritopsis
- species: *Turritopsis dohrnii* (Weismann, 1883)

Synonyms: *Cytaeis polystyla*, *Dendroclava dohrnii*

## Common questions

### What kind of animal is the immortal jelly?

The immortal jelly is an invertebrate in the jellyfish and corals subgroup. It belongs to the phylum Cnidaria and the class Hydrozoa.

### What is the scientific name of the immortal jelly?

Its scientific name is Turritopsis dohrnii, in the genus Turritopsis.

### What family does the immortal jelly belong to?

It belongs to the family Oceaniidae, in the order Anthoathecata and suborder Filifera.

### What other names does the immortal jelly have?

It is also called Forever jellyfish, Immortal jellyfish and Benjamin button jellyfish.

### Is the immortal jelly extinct?

No, the Catalogue of Life lists it as living, not extinct.

## Sources

- [Catalogue of Life eXtended Release](https://www.checklistbank.org/dataset/316691), CC BY 4.0, 2026-10-16 XR. Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf
- [Wikimedia Commons](https://commons.wikimedia.org), per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed), 2026-11-11. Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence).
- [Wikidata](https://www.wikidata.org), CC0 1.0, 2026-11-11. Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service).
- [Wikipedia (English)](https://en.wikipedia.org), CC BY-SA 4.0, 2026-11-11. Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).

Cite as: Immortal jelly (Turritopsis dohrnii). Retrieved from https://creaturedata.com/animals/immortal-jelly