Question

Fish live in water, but can see clearly. How? ​

Answer 1

ANSWER

Fishes can see clearly although they live in water because their eyes are covered with a nictitating membrane. This membrane protect the eyes from water.

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Answer 2

Here is your answer

Fish can see clearly underwater because their eyes are convex enabling them to focus the light. The fish eye is larger because so that more light can be refracted. Some fish have a special eyelid. This eyelid is actually a thin layer of tissue that helps protect the eye when the fish are swimming at a rapid pace.