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by wickedwillie on May 28th, 2005

wickedwillie

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Why can't most fresh water fish live in salt water and most salt water fish not in fresh water?

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  • by WHITE BEAR on April 19th, 2007

    WHITE BEAR

    Their gills and bloodstream are not adapted to process saline water. The gills filter oxygen out of the water. A freshwater fish will die in saline water due to chemical imbalance in the bloodstream.

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