アメリカ自然史博物館のインスタグラム(amnh) - 5月5日 06時02分

Meet the remarkable species that has come to be called “the immortal jellyfish.” Fully grown, Turritopsis dohrnii is only about 4.5 mm (0.18 inches) across, smaller than a pinky nail. These tiny, transparent creatures have an extraordinary survival skill, though. In response to physical damage or even starvation, they take a leap back in their development process, transforming back into a polyp. In a process that looks remarkably like immortality, the born-again polyp colony eventually buds and releases medusae that are genetically identical to the injured adult.
Learn more in the exhibition Life at the Limits, now on view.
Image: © Takashi Murai/The New York Times Syndicate/Redux

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