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Why Can't Fish Sweat?

Fish Do Not Have Sweat Glands

Unlike humans and many other animals, fish do not have sweat glands. This means that they cannot sweat to cool down.

Fish Are Cold-Blooded

Cold-blooded animals rely on the external environment to regulate their body temperature. This means that they do not have to generate heat internally to maintain their body temperature.

Eccrine Glands Aid in Cooling

Eccrine glands are found in humans and many animals. These glands primarily aid in cooling the body by secreting sweat.