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Buy AumSum Merchandise: https://www.aumsum.com How does a Jellyfish Sting? Jellyfish's tentacles contain thousands of venom containing stinging cells called Cnidocytes. Jellyfish use them for protection as well as for the capture of a prey. Cnidocytes are basically small compartments which house mini-needle like stingers. The stinger lies coiled under high osmotic pressure. Now, when there is a trigger due to an external force, the lid of the stinging cell pops open and sea water rushes in. This forces the mini-needle like stinger to shoot out, penetrate and finally inject venom into the victim. This discharge can occur in less than one millionth of a second. This is how a Jellyfish Stings. References: • How does a jellyfish sting? - Neosha ... https://ocean.si.edu/ocean-life/inver... Timecodes 0:00 - How does a Jellyfish Sting? 1:05 - Can jellyfish live forever? 2:10 - Why are fish eating plastic?