no, because they wouldn't be able to see
two, one to cover the eye to protect it while diving but transparent, the other, almost like ours
No, they never go to sleep because they have no eyelids. They just sit in the water and rest instead of sleeping. They do not have eyelids because eyelids keep your eyes moisturized, Under the water they have all the moisture they need.
2 two to three hous.
A human eyelid is not transparent of course. But some animals like snakes have permanently sealed transparent eyelids which protect their eyes from foreign materials. Frogs also have transparent eyelids to protect its eyes while swimming in water.
crocodiles have 4 eyelids. they have 1 pair of normal eyelids like us but they have one that is see through. When they go under water this eyelid covers the eyeball so salt or water can not go into its eye. thanks!
the crocodile lets out only his eyes and part of his nose and sees the prey. then it goes under the water, so when the prey is drinking water, the crocodile strikes and the prey eitherescapes or is already dinner.
The eyelids and even the lashes help to keep water out of the eyes.
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No fish do not have eyelids, they do not need eyelids or even have them because there eyes get all the moisture they need because they live in water.yes because as you see in a fish face you can see that it doesyes fish do have eyelids i saw in the bue planet aquaiem. it was the big massive onesno they dont need them because they live under water making their eyes already moist