Immortal JellyfishTurritopsis nutricul, a jellyfish-like hydrazoan, is the only animal known to be p
Immortal JellyfishTurritopsis nutricul, a jellyfish-like hydrazoan, is the only animal known to be potentially immortal. Once it reaches sexual maturity, Turritopsis looks like a tiny, transparent, many-tentacled parachute that floats freely in warm ocean waters. But when times get tough, Turritopsis can turn into a blob, anchor itself to a surface, and undergo a sort of reverse metamorphosis back to its youthful form as a stalk-like polyp. That’s like a butterfly turning back into a caterpillar. Scientists, who first described this phenomenon in the 1990s, believe Turritopsis can repeat its life cycle indefinitely. -- source link
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