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Why Can't Saltwater Fish Live in Freshwater?
Transcript of Why Can't Saltwater Fish Live in Freshwater?
In reality freshwater fish can tolerate a very small amount of salt, but generally, they cannot tolerate saltwater because they cannot properly osmoregulate in saltwater.
Osmoregulation is when the fish is maintaining an balance of salt and water in the fishes body. Imagine two sides of a fish (inside and out), the fishes membrane skin have different concentration of salt and water. Nature tries to maintain a balance on both sides.
The fish uses osmoregulation to fight the process of diffusion and osmosis. Conclusion : In conclusion, saltwater fish cannot, under any circumstances live in freshwater, except for the exception of euryhaline type fish. In this presentation, we explained why saltwater cannot live in freshwater; the answer for this statement is osmosis. This is the balance of high concentration and low concentration in the cells membrane. That is why saltwater fish cannot live in freshwater. This is a saltwater fish. This is a freshwater fish. Both fish are stenohaline types of fish. Salmons are able to live in freshwater AND saltwater which therefore makes them euryhaline types of fish.