Immortal Jellyfish (Turritopsis dohrnii)

Immortal Jellyfish (Turritopsis dohrnii)

Immortal Jellyfish (Turritopsis dohrnii)

One of the most amazing and incredible organisms living in the oceans is the Turritopsis dohrnii, popularly known as the “immortal jellyfish”. It is a tiny, transparent jellyfish, originally found in the Mediterranean Sea and in the waters of Japan (but nowadays it travels the world in the ballast tanks of cargo ships). It has a maximum diameter of about 4.5 millimeters or 0.18 inches.

The thing that makes this strange, almost alien-like creature so incredible is that it is biologically immortal. It’s the only known animal capable of reverting completely to a sexually immature, colonial stage after having reached sexual maturity as a solitary individual.

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