Lungfish

  The Lungfish is the ultimate survivor in any conditions. It digs underground to a certain  area to stay underground till there is water around the area, by digging underground, the Lungfish eats the mud and makes the mud come out from their gills. The Lungfish can last  up to four years living under ground. Then create thick liquid cocoon around its body to moisture the lungfish's skin. They are one of the oldest #|fish to live on this earth as well. < http://www.nativefish.asn.au/lungfish.html > April 11, 2011 < http://www.nativefish.asn.au/lungfish.html > April 11, 2011 < http://www.britannica.com/EBchecked//351582/lungfish/63419/Adaptations-for-breathin g > April 15, 2011
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