Best answer
Do not blink
People also ask
Do fish blink their eyes?
Fish don have eyelids similar to humans. Therefore, fish cannot blink their eyes. Actually, they don even need to blink. The primary function of the eyelids is to keep the eyes moist. However, fish don need to maintain the moisture in their eyes because they are surrounded by water all the time.
Why don’t Sharks blink their eyes?
This membrane is a transparent or translucent eyelid that protects the eyes of the shark. Although sharks have these eyelids, they do not blink their eyes because the water helps them wash their eyes. They only make use of this structure to protect their eyes, especially when feeding on prey.
Do fish have eyelids?
However, fish actually don need eyelids because their surrounding environment is water. As fish don need and have eyelids, they can blink their eyes. It is interesting to note that there are some sharks that have a transparent nictitating membrane which they can blink during feeding time to protect their eyes.
Can You Blink without eyelids?
If you don have eyelids, you can blink. But the closing of eyelids is not solely to distribute a tear film. It also for protection. We certainly know about our amazingly fast ability to blink and/or keep our eyes closed in the face of danger.