Jellyfish Size










In the waters all throughout the world there are over 200 species of Cubozoa which are more commonly known as box jellyfish. In the Caribbean there are some jellyfish which come as small as a thimble or the eraser tip of a pencil. On the other end of the scale the Arctic Lions' Mane jellyfish has a bell of up to 2.5 metres or 8 feet in diameter and tentacles which can reach up to 60 metres or 200 feet in length. To put that length into perspective it is around the length of two blue whales. This gigantic jellyfish is thought to weigh over two hundred and fifty kilograms or five hundred and fifty pounds. 

One jellyfish that proves size does not matter is the Irukandji jellyfish. This jellyfish is capable of killing its victims within minutes and is commonly found in Australia. One threatening aspect of this jellyfish is that not only does the usual jellyfish color make them difficult enough to see in the first place but the irukandji jellyfish are no larger than the size of the nail on the little finger of an adult human being at around 2cm big. 

The sea wasp box jellyfish gets its name from having a box-like shape and has a body or a bell which can range from 5 to 25 centimetres across and has a bunch of up to fifteen tentacles at each of its four corners with the average length of an adult box jellyfishes' tentacles being about three metres. At the other end of the scale is the Nomura's jellyfish which is commonly found in the waters between Japan and China and is known in Japan as Echizen Kurage. These ocean dwelling giants have a width which is slightly larger than the average height of a fully grown man coming in at up to and over two metres or six foot seven inches in diameter and weighing in at up to two hundred and twenty kilograms. 

The largest arctic Lions mane jellyfish specimen ever recorded had a jaw dropping bell diameter of a whopping 2.3 metres of seven feet and 6 inches and tentacles which trailed up to thirty six and a half metres or one hundred and twenty feet behind it. The monstrosity was discovered in 1870 washed ashore in Massachusetts Bay. 

There is no real set size for the various species of jellyfish within the world. Every species is different and the size range can be quite vast within the species. There are still many species of marine creatures including jellyfish which are being discovered today. With such gigantic jellyfish as the arctic lions mane swimming in our waters it will not come as a surprise to discover that much larger monstrous jellyfish are lurking in the depths of the earth's oceans. It may take some time to find them but they are there, elusive despite their size. Once upon a time it was just sharks and the loch ness monster that people feared in the water, now with the discoveries of gigantic jellyfish becoming more common there are much bigger and possibly much more deadly creatures lurking in our oceans. 
Normen FAdel
Author of the article
writer and blogger, founder of jellyfish .

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