Question 4

Do fish have a thirst for water?

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Fish do not experience thirst for water in the same way that terrestrial animals like mammals do. Thirst is a sensation triggered by dehydration or a need for water intake to maintain bodily functions and hydration.
Fish, being aquatic creatures, live in a constant environment of water. Their bodies are adapted to absorb water through osmosis and regulate their internal fluid balance without the need for a conscious sensation of thirst.

However, fish do have mechanisms to maintain the proper balance of salts and water in their bodies, such as through their gills and kidneys. They actively regulate the intake and excretion of water and salts to ensure their physiological functions continue smoothly in their underwater habitat.