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Jellyfish appear even earlier than the dinosaurs

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zhengwgt View Drop Down
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Joined: 25-Aug-2010
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    Posted: 26-Oct-2010 at 14:48

Can be traced back 650 million years ago. Many different types of jellyfish, about 250 or so around the world, straight jellyfish

Diameter from 10 cm to 100 cm, common in parts of the ocean. About 8 of our common species of the moon jellyfish, Cyanea jellyfish, jellyfish, jellyfish, crown mouth. Often based on their umbrella body to classify different: some silver umbrella body hair, called silver jellyfish; some umbrella body is like a monk's hat, called Aequorea jellyfish; some body is like an umbrella white sail boat, sail jellyfish called; some like an umbrella, called the umbrella jellyfish; some umbrella body shines with pink clouds of light, called Xia jellyfish ... ... most of them only a few weeks of life, but also live about a year, Some deep-sea jellyfish may live longer.

 
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