What is an animal’s Arc of Vision?

What is an animal’s Arc of Vision? 

An Arc of Vision (AoV) is also known as the Field of View (FoV) or the Field of Vision (FoV) or the Visual Field. 

It is the view that an animal can see when its head, and the eye, are still. Can it see all around it – on all sides – or can it only see what is in front of it?

Monocular vision is what can be seen with one eye, and binocular vision is what can be seen with two eyes.

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The Razorfish (Aeoliscus strigatus) is a small reef marine (saltwater) fish. It always swims in a vertical (head down) position.

The Razorfish is a long, thin fish, with reduced, transparent fins. The ridge on its back is covered with protective bony plates, which also cover its tail, ending with a sharp spine. Its mouth is a sharp beak. It has a black-brown band, or stripe, along the length of its body, which also goes across its eyes. The colour of its body can vary, depending upon its habitat, changing colour to camouflage itself. However, mostly it is silver.

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Horizontal, Vertical, and Oblique

What does horizontal, vertical, and oblique mean?

If an object is horizontal, it is parallel (level) to the ground and the horizon. A snake is horizontal when it slithers on the ground. Humans are horizontal when they are sleeping or lying on the ground.

If an object is vertical, it is up and down. A tree is vertical. Humans are vertical when they are standing up.

If an object is oblique, it is at an angle. It is not horizontal and it is not vertical.

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