In general,fish can see farther into the violet range than humans,and some can see into the ultraviolet range. Researchers at the Virginia Institute of Marine Science have used electroretinography to better understand how fishes see color. This method exposes a range of colors to an anesthetized fish,and uses electrodes to measure which colors …
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What colors do fish have?
Some fish, on the other hand, have red, green, blue, and ultraviolet. Because fish have an extra cone in their eyes, they can see more colors than humans. This includes all the colors of the rainbow and even more across the spectrum.
What do fish see when they see sunlight?
As mentioned earlier, fish that come into contact with sunlight will see various wavelengths of color, especially if they possess the cones to see these colors. Usually, fish that inhabit the surface do have these cones in their eyes.
Do fish see more colors than humans?
Because fish have an extra cone in their eyes, they can see more colors than humans. This includes all the colors of the rainbow and even more across the spectrum. Depending on where they are in the ocean, they can see a vast amount of colors.
Can a goldfish tell one color from another?
The goldfish has four kinds of cones: red, green, blue and ultraviolet. Other fish have different numbers and kinds of cones meaning that they have the capability of seeing in color. However, simply finding cones in the eye does not mean that an animal has color vision. You have to test it behaviorally to see if it can tell one color from another.