The color system of guppies can be divided into three layers: 1.Pigment layer (xanthophore): contains red pigment cells and yellow pigment cells 2.Reflective layers (iridophores): Containing reflective cells, will reflect light of a specific color, including blue, white, silver, iridescent; 3.Melanophores: Melanocytes, which absorb all colors of light and appear black, are located in the lowest layer, but also belong to the upper layer of melanin, which means that the guppy is red, yellow, blue, white, Silver, rainbow, black and other basic colors composed of a variety of colorful colors, but red, yellow and black are pigment cells, which are spontaneous colors; blue, white, silver, and rainbow are reflective cells, which are not spontaneouss color.The reflective cells were originally transparent and colorless. The reason why they produce blue, white, silver, rainbow, etc. is due to the effect of light after being refracted or reflected.Should Iridophores be translated into crystals or reflective cells?In fact, these two claims are justified, because the role of Iridophores is to reflect light. Iridophores cells are wrapped with a lot of things called Guanine Platelet, and its function is the same as crystals, which can reflect light.Iridophores are divided into blue, white, silver, and rainbow. It is only because the size of the Iridophores is different, and the Guanine Platelets are different in shape and arrangement angle, so they reflect blue, white, silver, and rainbow.
Understand the principle of hair color, it is convenient for us to carry out the next research
If you see green in guppies, it is the result of the action of yellow pigment and blue reflective cells (yellow → green ← blue); red pigment works with yellow pigment, you can see orange (red → orange ← yellow); if you wantTo show purple, you need blue reflective cells and red pigment (blue light + red light = purple light) to understand the principle will help us to change fish or understand the improvement process of some fish, for example: red tail dress with yellow tail dress,Orange tails are likely to appear in the offspring, and the sky blue dress can see the green tail color in the blue, which can also be used as a proof that the yellow tail dress has been improved; and the Moscow purple has red pigment on the blue reflective cellsThe result of the cell, but Moscow Green did not associate it with a yellow-tailed dress, its performance only proved that there was a little yellow pigment on the body, and its yellow pigment does not necessarily come from the yellow-tailed dress.
Let us know about "visible light":
The wavelength of visible light: between 770 and 350 nm.Different wavelengths make the color perception of human eyes different.Red: between 770-622nm; Orange: between 622-597nm; Yellow: between 597-577nm; Green: between 577-492nm; Blue Indigo: 492-455nm; Purple: between 455-350nm, as shown above.Through research, it is found that light has the following characteristics: 1) The complementary colors are mixed in a certain ratio to obtain white light.For example: blue light and yellow light are mixed into white light; cyan light and orange light are mixed into white light.etc.2) Any color on the color ring can be mixed and reproduced with two kinds of monochromatic lights on the two adjacent sides (or even two kinds of monochromatic lights of the second nearest neighbor).For example: yellow light and red light are mixed to get orange light; red light and green light are mixed to become yellow light.3) Choose three independent monochromatic lights on the color ring, and mix them in different proportions to appear various hues that may appear in our daily life. These three lights are called three primary colors.The three primary colors in optics: red, green and blue; the three primary colors of pigments: red, yellow and blue.4) When sunlight shines on the body of the guppy, a certain wavelength of light is absorbed, showing a color (reflected light), which is the complementary color of the colored light.
Looking at this fish with a green reflective part of the body, it is difficult to explain how it is formed. However, it must be caused by yellow pigment and blue reflective cells. As for what makes it shiny?It may contain other reflective cells such as white, silver, rainbow, etc. The color caused by yellow pigment cells, red pigment cells, and melanocytes is not controversial.The difference is somewhat difficult.The white reflective cells disrupt all the light, thus producing white light.Here it may be interpreted as the seven-color light in the disrupted visible light in this way, which visually gives us the feeling of white light.How is the silver light caused by silver reflective cells different from white light?The silver reflex cells cause the guppy to emit a shiny, metallic silver.The most common thing we see is that on the ventral side of the female fish, silver reflex cells also appear on the lines on the side of the snake king body. After the mutation, the silver reflex cells also appear on other parts of the guppy body, including the head.Although it is clear in theory, it is difficult for the human eye to tell whether the guppy is carrying silver or white reflective cells, not to mention that it is also possible for these two reflective cells to appear on the fish body at the same time.It can only be said that if the density is the same, the former is metallic and dark; the latter is white and bright.The German yellow-tail dresses, pink-white, platinum-yellow Martell yellow-tails we see must be reflective cells with white or silver.
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Lin Feng 88 said: good post like one
I Siersi said: Good text ~, thank you for sharing!~.~
Xiaoming 001 said: I have learnt, and I am great.
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