Question

Why do fish have slippery scales on their body?​

Answer 1

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A fish has slippery scales on its body. These scales protect the fish and also help in easy movement through water.

Answer 2

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Slippery scales present on the body of fishes help them in provide easy movement in water as well as protection from predators. The scales are too slippery because the epidermal cells (present below the scales), secrete mucous.