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because if they had big eyes they would reflect any possible sunlight and then the predator will see them.

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15y ago

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Explain why most deep sea fish have small eyes or none at all where mid fish such as the lantern fish have very big fish?

as there is no light in deep waters,deep sea fishes get their eyes reduced during evolution.due to the availability of some light at middle of sea fishes living there have bigger eyes for clear vision.


Does water bother shark's eyes?

No. Not at all. Sharks and other fishes have special eyes that doesn't allow the water to bother them.


Why do fish have big eyes?

There can be a lot less light under water. The fishes' big eyes gather more light, allowing them to see under water better than small-eyed creatures. the better sight lets them find food much more efficiently.


Do pet gold fishes have eyes?

of course they have eyes


Why do gulper fish have small eyes?

gulper fish have small eyes because it help prevents water from damanging it eyes


What is the white coating over the eyes of a fish?

The white coat over a fishes eyes is a lens that helps to shield its eyes from debris that is floating in the water, which also helps it maintain better sight.


Do fish that live in the depth of the ocean live in the dark or light?

That depends on how deep. There are fish that live in darkness all the time. Some don't even develop eyes, because they don't need them. But other fish have some kind of glowing light on their bodies that attract prey, so there is some light even down in the blackness.


How are fishes adapted to survive in water?

2 ways that Fish are adapted to living in water are gills and fins, or scales ( streamline) and protected eyes.


Deep-set eyes or deep-seated eyes?

Deep-set eyes. Deep-seated conviction or belief.


Are there any animals that have their mouths above their eyes?

NO there is no animal that have their mouth above their eyes


What is the function of the eye of fishes?

they use there eyes to see or look


Fishes organs what do they do they do?

Gills for breathing Eyes to see Tail to swim