Where does this come from, and can I check it?

Turritopsis dohrnii can revert from an adult medusa back to a young polyp. The figure is taken from Smithsonian Ocean, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

Is this really a animals fact?

Yes. It sits on the Animals shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.

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The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.

Mondo Knows Facts

The immortal jellyfish can revert its life cycle to polyp form

Turritopsis dohrnii can revert from an adult medusa back to a young polyp.

When faced with physical stress or starvation, the immortal jellyfish undergoes transdifferentiation, converting mature cells back into stem-like cells. This process transforms the adult medusa back into a juvenile polyp colony, effectively granting it biological immortality.

Where this comes from

Smithsonian Ocean

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Tags: jellyfish, ocean, longevity

The immortal jellyfish can revert its life cycle to polyp form: the short answers

Where does this come from, and can I check it?: Turritopsis dohrnii can revert from an adult medusa back to a young polyp. The figure is taken from Smithsonian Ocean, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a animals fact?: Yes. It sits on the Animals shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.