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The Box Jellyfish

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Submitted By susanmarie7
Words 367
Pages 2
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General characteristics
The general characteristics of the box jellyfish;
The jellyfish’s integumentary system consists of 60 tentacles in clusters of 15 on each corner of its bell.
These tentacles are about 15 centimetres long when they are swimming, and about three meters long when they are hunting. The bell can grow up to the size of a basketball, and is shaped like a box or cube, which is where it develops the name box jellyfish.
The stingers on the tentacles are the most important part of the jellyfish. They are used to catch their prey, but sometimes unfortunately they are used to sting humans. If a person is stung, they can die within 4 minutes.

The nervous system consists of four eye clusters with 24 eyes on each cluster. It is believed that they can distinguish colour somewhat, although it is still debated on whether or not they can form images. They are also one of the few species of jellyfish to possess a nerve ring, which is located around the base of the umbrella.

The box jellyfish is one of the most dangerous jellyfish in the world. It has caused around 64 deaths in Australia, where it is commonly found, since deaths were first recorded in 1883. The amount of venom in one jellyfish is said to be enough to kill 60 humans in one sting. Being stung results in a very large amount of pain and if not treated, the victim can die within 4 minutes.

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Habitat
The box jellyfish seem to move towards the shore in calm waters when the tide is rising and gather near the mouths of rivers and creeks and travel by following the rain.
Box Jellyfish feed on small fish and crustaceans.

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Injuries from the box jellyfish
Their heart-stopping venom is considered the deadliest in all the oceans, acting instantly to paralyze the heart and nervous system. The Box have caused more loss of human life in the past 50 years than shark related attacks.

Bibliography
<http://www.barrierreefaustralia.com/the-great-barrier-reef1217/jellyfish.htm>

http://local.brookings.k12.sd.us/krscience/zoology/webpage%20projects135/sp11webprojects/boxjellyfish/boxjellyfish.htm> www.googleimages.com
www.nationalgeographic.com

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