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![]() from wikipedia on "Osmoregulation"
Freshwater fish: always peeing diluted urine. Adding salt would help by reducing osmotic differential. ![]() Saltwater fish: always drinking water and peeing out concentrated urine. Reducing salinity would help by reducing the osmotic differential. ![]() Last edited by Reef_Geek; 12-14-2012 at 04:20 AM. |