[HN Gopher] Acclimation of Osmoregulatory Function in Salmon
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       Acclimation of Osmoregulatory Function in Salmon
        
       Author : mooreds
       Score  : 20 points
       Date   : 2025-05-31 14:34 UTC (8 hours ago)
        
 (HTM) web link (www.unm.edu)
 (TXT) w3m dump (www.unm.edu)
        
       | k__ wrote:
       | _" In the ocean, these Na+-Cl- ATPase molecules 'pump' Na+ and
       | Cl- out of the salmon's blood into the salt water flowing over
       | the gills, thereby causing NaCl to be lost to the water and
       | offsetting the continuous influx of NaCl. In fresh water, these
       | same Na+-Cl- ATPase molecules 'pump' Na+ and Cl- out of the water
       | flowing over the gills and into the salmon's blood"_
       | 
       | lol, so the salmon "breathes" salt in addition to oxygen?
        
         | ndr42 wrote:
         | The difference is that the intake of oxygen is through
         | diffusion (passive, along the concentration gradient) and the
         | transport of Na+/Cl- uses ATP (active transport against the
         | concentration gradient).
         | 
         | (The gills have the largest surface area to exchange ions and
         | molecules.)
         | 
         | Edit: Spelling
        
       | dvh wrote:
       | I was surprised to learn that Nase and Vimba bream also lives in
       | the sea. I live 400km from nearest sea and they are common here
       | and form permanent freshwater populations here.
        
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