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Snail Of steel discovered

Discussion in 'Channel Zero' started by GEEB, May 12, 2005.

  1. GEEB

    GEEB Senior Member

    Joined: Dec 6, 2004 Messages: 1,803 Likes Received: 43
    Armor-Plated Snail Discovered in Deep Sea

    John Pickrell
    for National Geographic News

    November 7, 2003
    Researchers have found perhaps the world's most unusual snail. The as-yet-unnamed creature bears a mass of interlocking, iron-based plates on its body and the base of its foot. Like a suit of medieval armor, the snail may use its metal scales as a defense against predatory attack.

    As gardeners already know, all other slugs and snails (or gastropod mollusks, to the experts) sport a soft and slimy foot.


    The new snail, described in the current edition of the journal Science, was discovered in the hostile hydrothermal vent environment of the deep Indian Ocean.

    "Strange Little Beast"

    Anders Waren, a biologist at the Swedish Museum of Natural History in Stockholm and the lead researcher behind the find, said this "very strange little beast" is the first animal discovered that uses iron sulfides for a structural purpose.

    Waren said that when he first examined the sea snail, the animal's magnetized scales kept sticking to his forceps. He guessed that an iron mineral was involved.

    While unique to modern animals today, the snail's scales bear a remarkable resemblance to scales found on many of the earliest complex animals, particularly those from the Cambrian Period 540 to 500 million years ago. Genetic and anatomical tests, however, reveal that the new species is related to other common groups of modern snails.

    The snail's scales are comprised of two iron sulfide minerals: pyrite, more commonly known as fools gold, and greigite. Waren said that the general instability of sulfides explains their rarity as a biological building material. However, he noted: "That may not be the case at such depths." Iron and sulfur compounds are abundant in the mineral-rich waters of hydrothermal vent ecosystems.

    Cindy Van Dover, a marine biologist at the College of William and Mary in Williamsburg, Virginia, and study co-author, was on the team that found the snail during an expedition to Indian Ocean's Kairei hydrothermal vent field in 2001.

    Expedition researchers used a remotely operated submarine to explore the 1.6-mile-deep (2.5-kilometer-deep), black vent environment and collect samples for analysis. The researchers found many species new to science, but "this is certainly the strangest so far," said Waren.

    Black Smokers

    The armor-plated species was found at the base of geyser-like underwater mineral chimneys known as black smokers. The structures explosively belch forth super-heated, 750° Fahrenheit (400° Celsius) black water previously trapped in molten rock below the Earth's surface. The water is prevented from boiling due to the enormous pressure (250 times greater than that on land) found at those depths. Cooler water near the chimneys carries many of the minerals that account for the flows' black color, including the constituents of those minerals found in the snails' armor plating.

    "Hydrothermal vents support a unique…fauna that's giving us exciting insights into evolution, adaptation, and the early history of life on Earth," said Callum Roberts, a mollusk expert at the University of York, England. "These vents represent an outstandingly rich natural ecosystem that we should cherish and protect as vigorously as any of our national parks on land," he added.

    Mary Seddon, a World Conservation Union (IUCN) mollusk specialist and biodiversity scientist at the National Museums and Galleries of Wales in Cardiff, said: "It's only been with the [recent] advent of remotely operated vehicles that we've been able to sample these [secluded] habitats." Such habitats are turning up some highly unusual creatures exquisitely adapted to living in harsh conditions, she said.
    [​IMG]
    The researchers suspect that the snail's armor plating could be a defense against other predatory snails that co-exist in the vent community. Warren, the study leader, said the scales look like they would effectively block the specialized teeth predator snails use to inject venom.

    As Roberts noted: "This is yet another extraordinary beast from a
    remarkable habitat." Link
     
  2. CACashRefund

    CACashRefund 12oz Loyalist

    Joined: Oct 8, 2004 Messages: 14,171 Likes Received: 272
  3. MrChupacabra

    MrChupacabra 12oz Loyalist

    Joined: Oct 10, 2001 Messages: 10,940 Likes Received: 681
    deep sea creatures never cease to amaze me. the best part is they just keep finding things that are more and more awesome as they explore deeper areas.
     
  4. KRON KING

    KRON KING Member

    Joined: Sep 2, 2004 Messages: 905 Likes Received: 0
  5. SF1

    SF1 Elite Member

    Joined: Apr 25, 2003 Messages: 4,866 Likes Received: 5
    How the fuck does it grow steel!?!?
     
  6. Tough Love

    Tough Love Senior Member

    Joined: Oct 10, 2004 Messages: 1,894 Likes Received: 2
  7. Gunm

    Gunm Banned

    Joined: Aug 31, 2003 Messages: 12,427 Likes Received: 1
    it won't be long before some ethnic group start claiming them to be a cure for impotency or an aphrodisiac
     
  8. useurname

    useurname Member

    Joined: Jul 29, 2004 Messages: 962 Likes Received: 0
    I wish I was that snail then I could be as slow as I wanted to and nobody could fuck with me.
     
  9. TURBOCAPSLOK

    TURBOCAPSLOK Elite Member

    Joined: Dec 4, 2003 Messages: 2,550 Likes Received: 1
  10. TURBOCAPSLOK

    TURBOCAPSLOK Elite Member

    Joined: Dec 4, 2003 Messages: 2,550 Likes Received: 1
    I WAS LAUGHING AT LENS' COMMENT. AND WHAT A FUCKING RAD SNAIL
     
  11. GEEB

    GEEB Senior Member

    Joined: Dec 6, 2004 Messages: 1,803 Likes Received: 43
    Ive only been able to find one picture so far, ill keep looking though.
     
  12. emergin_graffer

    emergin_graffer Junior Member

    Joined: Oct 12, 2004 Messages: 216 Likes Received: 0
  13. InnerCityRebel

    InnerCityRebel Veteran Member

    Joined: Aug 19, 2002 Messages: 8,297 Likes Received: 117
  14. Manifesto

    Manifesto Junior Member

    Joined: Sep 1, 2003 Messages: 227 Likes Received: 0

    it doesnt grow the steel,
    it gathers from those geysers under water and builds
     
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