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BILLIONS of mysterious jelly-fish-like creatures wash up on beaches along the west coast of the U.S

Thursday, August 21, 2014 8:02
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They say stranger things happen at sea, but it seems stranger things happen on beaches, too.

Billions of mysterious small creatures have been washed up on beaches along the west coast of the U.S, from Southern California to British Columbia.

Needless to say, locals have been extremely curious about the invaders.

Billions of 'by-the-wind sailors' have washed up on beaches on the West Coast of the U.S. Here, a beach in La Push, Washington is littered with their dead bodies

The jelly-fish-like creatures each measure around seven to 10 centimetres in length, are bright blue and distinguished by a gas-filled float that rises above the surface of the water

The creatures are known as ‘by-the-wind sailors’, or their scientific name of velella velella.

The jelly-fish-like creatures each measure around seven to 10 centimetres, are bright blue and distinguished by a gas-filled float that rises above the surface of the water.

This fin-like structure means that their direction of travel depends entirely on the winds and the currents.

The number of velella that have washed up on North America’s beaches is staggering, with possibly billions stranded.

Millions of these creatures, which ride wind and currents, were washed up in La Push – creating a virtual carpet of them on the beach

Experts find the creatures perplexing as little is known about their true nature.Kevin Raskoff, professor of Biology at Monterey Peninsula College, told Scpr.org: ‘The numbers, if you extrapolate, are awe inspiring. With some of my students we counted more than a thousand per meter. The numbers get astronomical pretty fast.’

The creatures are similar to jellyfish as they sting to stun their prey – though they’re not capable of causing humans much pain – and have a similar structure.

They are sustained by feeding on animal plankton and drift around in huge flotillas which can contain millions of individuals.

Travel guide Michael Ellis, writing in Bay Nature, said: 'Even though velellas are very common and distributed throughout the oceans of the world, very little is known about the details of their life.

‘The reproductive polyps apparently bud off small medusae (miniature jellyfish-like structures) somewhere in the middle of the ocean. The medusae sink to depths of over 7,000 feet and grow gonads which produce sperm or eggs.

'Fertilization occurs in the dark abyss. The small young develop a float, secrete gas into it and rise slowly thousands of feet to the surface. Here they glide along feeding on animal plankton that they sting with specialized cells (located on the tentacles) called nematocysts.'

Credit to Mail Online

Read more: http://www.dailymail.co.uk/news/article-2730616/No-room-beach-towel-BILLIONS-mysterious-jelly-fish-like-creatures-wash-beaches-west-coast-U-S.html#ixzz3B2748Bna



Source: http://nunezreport.blogspot.com/2014/08/billions-of-mysterious-jelly-fish-like.html

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