The immortal jellyfish (Turritopsis dohrnii) ... a single immortal jellyfish has the potential to create an exponential swarm of clones of itself during its extended lifespan. T. dohrnii falls under the last category. Found in the waters of Japan and Mediterranean sea, the immortal jellyfish is the only animal which can go back to being sexually immature after reaching maturity. Animal: Turritopsis dohrnii. The bad news is, you have to be a tiny floating blob of jelly to do so! Immortal jellyfish reproduce both sexually and asexually, but it is not hermaphroditic. Most jellyfish have a lifespan of between a few hours to a few months, though a few varieties can live for several years. Most jellyfish are short lived. But there is a way to live forever! The supposedly 'immortal' jellyfish Turritopsis dohrnii has captivated scientists since it was discovered decades ago. However, there are some outliers: There is one jellyfish species that has been reported to live up to 30 years. Something that can live forever like the immortal jellyfish is a very curious thing. Did you ever wonder if you could go back to being a child? So it recycles its lifespan cheating total death. Recently researchers have found that the immortal jellyfish living off Japan, Panama, Florida, Spain … The immortal jellyfish Turritopsis dohrnii, the immortal jellyfish , is a types of little, organically godlike jellyfish found in the Mediterranean Sea and in the waters of Japan. Immortal jellyfish, however, undergo a transformation in which they return to a stage of sexual immaturity after reproducing, only to mature and reproduce again, then return to sexual immaturity, and so on. Immortal jellyfish are a species of jellyfish found in the oceans near Japan and the Mediterranean area, though populations of them are popping up in various areas across the globe, and their movement to new areas is thought to be assisted by their travel in water held in the base of ships. The immortal jellyfish accomplished this through “transdifferentiation,” which changes the differentiated state of cells and turns them into new kind of cell. Red sea urchins normally have a lifespan over 30 years, but radiocarbon dating has identified some over two centuries in age. Jellyfish can be found in seas all over the world and they are one of the oldest multi-organ animals, inhabiting our planet for 500 million years. Immortal jellyfish can transform from adult to baby, this is insane! Image credit: NOAA Okeanos Explorer Program/wikimedia. A marine biology student had collected a minuscule bell-shaped medusa with a smattering of thin tentacles and a pinkish chandelier of gonads from shallow water near Genoa on Italy’s northwest coast. But forcefully extending the human lifespan by even one decade would present difficult social realities, and we have little insight into what this would mean for us. Biological immortality (sometimes referred to as bio-indefinite mortality) is a state in which the rate of mortality from senescence is stable or decreasing, thus decoupling it from chronological age. Formerly known as Turritopsis nutricula, the creature capable of such an amazing feat is a very specialized jellyfish.. Amazingly, its cells then reaggregate, not into a new medusa, but into polyps, and from these polyps emerge new jellyfish. The sexually mature medusa stage which reproduces by the spawning and fertilization of eggs with sperm, while the sexually immature polyps reproduce by budding. • The unique regeneration process of the mature immortal jellyfish … These small, transparent animals hang out in oceans around the world and can turn back time by reverting to an earlier stage of their life cycle. 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