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because the refraction of light passes through
I do not know for sure, but I would say that they view water like we view air.
The refraction of light passing through water is different than when light passes through air, and the image a fish sees is not correctly focussed in its eye when it is not looking through water. This is similar in some ways to why a person wearing goggles has a much clearer view when underwater than a person without goggles.
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the dorsal iew is the upper view of the fish
Nope. It is moving too fast around the Earth to get a clear shot. It is designed to take pictures of things far away that are not moving quickly past its field of view, so anything on the ground would be a total blur.
View the website below for a fish list.
google images
they can eat grey fish called rutes
Scientific observation, is to see the action of a thing, and to see the effect of that action. Without action, you can not see. Without difference, you can not distinguish. Without experimentation, you can not physically divide. Those that have more knowledge, see more. But to see it more clearly: scientific observation is to view the movements, and effects of those movements, or to view any situation, and the effect of it. Example: I saw a fish swim though the water. So based on what I observed, I ask questions, like, how did the fish swim though the water. So I sum up everything I know, and I make the deduction; the fish must have separated the water in order to pass though it. So there it is; my first non-experimental scientific observation of the fish swimming though the water. Now to break it down from the top. I see the fish moving though the water, and I see the effect it has on the water.
This is a debatable point, depending upon your point of view. From the Biblical point of view, water has been around since the second day of creation, when the waters of the earth were separated from the waters of the sky. The scientific community will hold a different viewpoint.
Fish actually really short memory spans, some as short as 3 seconds. So you would virtually remember nothing. In addition, Fish have interesting view points. They view things in almost a distorted way.Also, fish have really sensitive hearing. So you when you tap on the glass . . . to them it sounds like bomb. Fish also have what is called a lateral line, which can detect sound waves. This is how they can hear thing from so far away. They can also detect food this way.