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  1. #1
    Grandma broke her coccyx! Uncle Rico's Avatar
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    Lung Fish?
    I was watching some Jeff Corwin show on animal planet a few nights ago and was amazed by the "Lung Fish". I had never heard of this species of fish, but it's quite remarkable.

    " These incredible fish have numerous extinct species with only six species known today. The reason that the lungfish is such an interesting fish is because all six species are known to breathe air. Some do this even though they also use gills while others have developed a type of lungs that allows them to breath air which is gulped from the surface of the water.
    ....
    ....
    Another of the very interesting characteristics of the lungfish in the Lepidosirenidae family is their ability to survive in little or no water. When the heat in South America dries up the water supply this species will dig into the mud at the bottom of their habitat and remain there with no activity until the waters rise.
    ...
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    Studies have shown that during these dormant periods the metabolism of the lungfish is greatly diminished causing them to need very little to survive with the exception of oxygen. Even more incredible are the studies that have shown that some species of the lungfish can survive around two years under these conditions."

  2. #2
    Life is Supposed to be Fun! Rexanne's Avatar
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    Quote Originally Posted by SeymourButts
    ...
    Studies have shown that during these dormant periods the metabolism of the lungfish is greatly diminished causing them to need very little to survive with the exception of oxygen. Even more incredible are the studies that have shown that some species of the lungfish can survive around two years under these conditions."
    Evolution takes on a whole new meaning after learning this, huh? When you consider how a fetus breathes liquid for nine months, you realize how closely related to fish we really are and that we most probably did evolve from the ocean.
    Peace,

    Rexanne

    Rexanne.com
    Loving Everyone's Child Creates Magic


  3. #3
    Affiliate Manager Alan Hamilton's Avatar
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    I've read about lungfish and saw a program on NG years ago about them. Indeed it is incredible how they burrow into the mud during dry periods and survive for several months on minimal oxygen. Nature is an incredible thing.
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  4. #4
    ABW Ambassador Paul_Ward's Avatar
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    I did a degree in Zoology and lung fish are one of those pivotal organisms between different evolutionary stages. They give us an idea of how vertebrates could have emerged from their fishy origins and started to colonize the land.

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