What would happen if you placed a trout (a freshwater fish) into a saltwater tank at the aquarium and made some observations?

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Placing a freshwater fish in a saltwater tank would cause water to move out of the fish's cells by osmosis due to the higher concentration of salt in the tank compared to the fish's cells. This would cause the fish to lose water and potentially lead to dehydration and death if not addressed. The fish would not be able to adapt quickly enough to the changes in their body's ion concentration to reverse the direction of ion movement to deal with excess water.

What Would Happen If You Placed a Trout (A Freshwater