Question

Why does a fish have slippery scales on its body?

Answer 1

Answer:

They are too slippery as the epidermal cells present under the scales secrete mucous which comes out and forms a covering on the scales.

Explanation:

Scales are the exoskeleton located outside a fish body. Scales are hard, transparent and sharp structures which protect fish from predators.

Answer 2

Answer:

Scales are the exoskeleton located outside a fish body. Scales are hard, transparent and sharp structures which protect fish from predators. ... These are too slippery as the epidermal cells present under the scales secrete mucous which comes out and forms a covering on the scales.