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Thread: Pocket-sized shark squirts glowing clouds from pockets

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    Pocket-sized shark squirts glowing clouds from pockets

    Pocket-sized shark squirts glowing clouds from pockets

    NEW ORLEANS (AP) — A pocket-sized pocket shark found in the Gulf of Mexico has turned out to be a new species.

    And the mysterious pouches that it’s named for, up near its front fins? Scientists say they squirt little glowing clouds into the ocean.
    ================================================== ==
    Scientists have named the new shark Mollisquama (mah-lihs-KWAH-muh) mississippiensis (MISS-ih-sip-ee-EHN-sis), or the Mississippi pocket shark.

    'It’s only the third out of more than 500 known shark species that may squirt luminous liquid, said R. Dean Grubbs, a Florida State University scientist who was not involved in the research. He said the other two are the previously known pocket shark and the taillight shark , which has a similar gland near its tail.'

    The taillight shark (Euprotomicroides zantedeschia) emits a luminous bluish fluid of unknown biology & chemistry.
    Last edited by JacksinPA; 07-20-19 at 04:47 PM.
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    Re: Pocket-sized shark squirts glowing clouds from pockets

    WOW, it's amazing how much we really don't know.

    I wonder how many species we have driven to extinction without even knowing they existed???

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    Re: Pocket-sized shark squirts glowing clouds from pockets

    Quote Originally Posted by GDViking View Post
    WOW, it's amazing how much we really don't know.

    I wonder how many species we have driven to extinction without even knowing they existed???
    Watch Trump's buddy in Brazil & see what's left of the rain forest after he gets finished with it. Hundreds of species & entire primitive tribes will be destroyed.
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    Re: Pocket-sized shark squirts glowing clouds from pockets

    Such bio-luminescence is usually to disguise a signature seen from below and resulting from natural light. Creating light underneath itself masks its presence to animals below.

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    Re: Pocket-sized shark squirts glowing clouds from pockets

    Just when we thought it was safe to go back in the water...

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    Re: Pocket-sized shark squirts glowing clouds from pockets

    Quote Originally Posted by ecofarm View Post
    Such bio-luminescence is usually to disguise a signature seen from below and resulting from natural light. Creating light underneath itself masks its presence to animals below.
    No evidence yet that this is bioluminescence. Could be biofluoresence, molecules getting excited by photons from sun light.
    'Make America great' - Benito Mussolini, Fascist Dictator, 1927 newsreel clip: https://www.youtube.com/watch?v=c5l_r8MG5II

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    Re: Pocket-sized shark squirts glowing clouds from pockets

    Quote Originally Posted by ecofarm View Post
    Such bio-luminescence is usually to disguise a signature seen from below and resulting from natural light. Creating light underneath itself masks its presence to animals below.
    Animals use bioluminescence to communicate or attract prey.

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    Re: Pocket-sized shark squirts glowing clouds from pockets

    Quote Originally Posted by PoS View Post
    Animals use bioluminescence to communicate or attract prey.
    Midwater fish don't use it for prey that I'm aware of.

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    Re: Pocket-sized shark squirts glowing clouds from pockets

    Quote Originally Posted by PoS View Post
    Animals use bioluminescence to communicate or attract prey.
    They use them for a lot of reasons. There are a few in the Marianas Trench that vomit clouds of bioluminescence to distract predators, for example.
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