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1. Jellyfish aren\u2019t really fish, they\u2019re plankton, so some scientists and aquariums are trying to popularize the term \u201csea jellies\u201d or just \u201cjellies\u201d instead of jellyfish. The word jellyfish has been recorded as early as 1707, so it may be a hard habit to break.<\/li>\n<\/ol>\n

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   1. In 1982, jellyfish were introduced into the Black Sea and after eight years, they totaled about 900 million tons because they are such aggressive colonizers. They have caused $350 million in losses to the fishing and tourism industries in the Black Sea.<\/li>\n<\/ol>\n

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      1. A mass of jellyfish is called a swarm, a smack or a bloom.<\/li>\n<\/ol>\n

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         1. Jellyfish are harvested for collagen, which is used to treat rheumatoid arthritis, used in skin treatments and in other practical uses.<\/li>\n<\/ol>\n

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            Have you ever seen a jellyfish?<\/p>\n","protected":false},"excerpt":{"rendered":"

            Jellyfish, also called sea jelly by some, are marine animals shaped like umbrellas with tentacles that trail behind them. They swim by pulsing their bell-shaped bodies, which propels them along quite nicely, or else they hitch a ride on an ocean current. Their tentacles are armed and ready to sting to capture their prey or defend against predators. Jellyfish are found all over the world, from near the shore to deep in the oceans and seas and even in freshwater ponds and lakes. They can be found in swarms and damage fishing nets, sometimes clogging desalination systems and sources of <\/p>\n","protected":false},"author":28064,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[64,4048],"tags":[4027],"yoast_head":"\n