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Scientists baffled by strange sea creatures near Alaska

Non paranormal global news stories.

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Owlscrying
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Unread post Tue Jul 04, 2017 2:29 am

Strange sea creatures that resemble large pink thimbles are showing up on the coast of southeast Alaska for the first time after making their way north along the West Coast for the last few years.

Scientists say the creatures are pyrosomes, which are tropical, filter-feeding spineless creatures usually found along the equator. They appear to be one long pink tube, but in reality, they're thousands of multi-celled creatures mushed together, generally about 6 inches (15 centimeters) long.

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Owlscrying
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Unread post Tue Jul 04, 2017 2:31 am



Pyrosomes and salps are pelagic (free-swimming) tunicates or sea squirts. All species are open ocean animals that rarely come close to shore, and all are colonial, although many salps can also be solitary.

Pyrosomes are colonies of tiny animals that form hollow tubes sealed at one end - the long tube species in the first part of the video is giant pyrosome, Pyrostremma spinosum - this one is only about 15m long but it can reach 30m in length! Pyrosomes get their name (Pyro = fire + soma = body) from their ability to emit light (bioluminescence) - colonies can glow or flash light at night, particularly if touched.

Salps have much larger individuals than pyrosomes, individuals pump water through themselves. Colonies are formed of chains of individuals. Salps can form very high densities under good conditions, and are an important oceanic food source for fish.

 
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Mamaw
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Unread post Thu Jul 06, 2017 4:06 pm

very interesting, had never heard of these before...

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