JellyFish Facts

Do Jellyfish Sting?

Do Jellyfish Sting? picture

Do Jellyfish Sting?

Jellyfishes are not a type of fish, nor do they have most organs and body parts like a heart or a brain or eyes like most fishes do. They even lack the basic bone structures in them. They are made of 95% of water and rest is all hydrostatic skeletons. This is the reason they can't navigate well through water and have depended on the water currents and tides for easy transport, and also to get them closer to their food.

This is where the tentacles come into play. Each of these tentacles that hang beneath the Jellyfish are studded with thousands of stingers, and as soon as they feel something that resembles their food, they release the venom through a very quick sting. They also use this to wade off other predators. This way, the little fishes that they feed upon won't be alive to escape easily, and the Jellyfishes live another day after a nice meal. They use the tentacles to direct the sea plants such as zooplankton floating around to their gastro vascular cavity, which does all the digestion.

Not all Jellyfishes sting, if they do happen to, it's only because it's accidental. But not all the venoms are lethal to the human race, some of them just leave an itch and some of them are more life threatening ones. They usually live in groups because they mainly rely on the ocean currents that keep them close to gather. They are found at all depths of the sea, and are also found in the polar waters and these happen to be untouched by human and their debris and have a life expectancy of 5 to 10 years. They do not communicate to each other with signs or ultra frequency sound waves like most water mammals. But the 650 million years of existence have made some of them flash colours of light on the bell.

The Arctic Lion's Mane Is the Largest Jellyfish. It can have an 8 feet diameter bell and tentacles as long as 200 feet. These often feed on other Jellyfishes and water plants and other small fishes and large shrimps. They sting like most Jellyfishes do, but they aren't deadly to the human race. One of the smallest Jellyfishes, The Irukandji is one of the most poisonous. They are just 1.5 inches in bell diameter and have 4 tentacles filled with toxins. Do check out our Jellyfish Information section for more about these creatures.

Holding them up by their bell is safe, but even the minute touch of their tentacles is enough to release their toxins into our bloodstream. Most of the times people don't even realize this sting as it could be a small brush of their tentacles across our skin, but we only know that it happened once we start feeling very sick. The Australian shores are filled with another breed of Jellyfish called the Box Jellyfish. These are referred to have the most deadly venom on earth as their venom is easily enough to kill 60 people.

Learn more about Jellyfish Stings and Jellyfish Sting Safety

Learn more about Jellyfish, different Jellyfish Species, general Jellyfish Information, Jellyfish Pets and Jellyfish Safety

Written by and Sudarsana Sinha.

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