Does osmoregulation important for the freshwater fish?

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Fredrick Juma Syanya

Adhan,Freshwater fishes have higher salt Content than the water around them (Hypertonic), so the water is naturally being drawn into them. This constant flooding of water inside the fish forces salts out of its body due to osmoregulation. If not regulated correctly too much salt is lost then the fish experience some stress which eventually affect their growth and to some extend can lead to mortality.