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Jellyfish use their venom to stun their prey, so that it doesn’t struggle and damage its delicate tentacles. They can be found in different sizes, varying from some as small as your thumbnail, to some as large as humans and even bigger. However, only the venom of few species cause an adverse reaction in humans.Įvery ocean in the world is home to millions of jellyfish who are known to survive in all depths of water, right from coral sea beds to the deep bottom of oceans.
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Contact with a jellyfish tentacle can trigger millions of cnidocytes to pierce the skin and inject venom. Jellyfish sting their prey using tentacles that have specialized cells known as cnidocytes. Their lifespan can vary from as little as a few days to about a year. Jellyfish are believed to have existed on Earth even before the dinosaurs, which makes them one of the oldest surviving species among marine creatures.
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But the truth is that this highly venomous creature is a siphonophore, an animal made up of a colony of organisms working together. … that the Portuguese Man O’ War ( Physalia physalis) is usually mistaken to be a jellyfish because of its appearance. Here, we shed some light on different jellyfish types and their characteristics which make them unique among all marine creatures on Earth. Jellyfish are mysterious creatures of the oceans, the alien-like look fascinates and evokes curiosity in everyone.