Color aquarium fish-staining methods.
Most aquarium fish that came to us from the wild, especially from tropical and marine water bodies, by their nature are already quite bright and insanely beautiful. And for several millennia, since the time of ancient Egypt, we are pleased with our colors.
But the human brain is designed in such a way that over time it gets used to everything, and in pursuit of new impressions, it begins to think of how something can be changed or improved. And today people have come up with several methods on how to change or strengthen the natural color of tropical fish. From completely harmless and even useful, to simply barbaric in relation to living beings.
Methods for coloring aquarium fish are:
- with the help of natural dyes and amplifiers, obtained with food.
- with the help of hormonal injections.
- genetic. (Glofish)
- using injections of chemical dyes.
- by lowering the fish into the paint.
- with the help of lighting.
Next, I'll tell you more about each species.
Selection staining method.
As telling us Wikipedia, selection Is the science of methods for obtaining new species, forms and colors of animals, plants, fish and microorganisms with useful properties for mankind. If in brief, then representatives are selected with the most pronounced useful properties, whether it is shape, size or color and crossed among themselves. And so in the next generation. Until the desired result is achieved. This method is very effective. Allows you to output persistent new colors and shapes.
The following photographs show a comparison of how much the color of the natural color can be changed by the selection method.
The only big disadvantage of this method is time. To obtain one form or another, it may take more than one year, or even a decade.
With the help of natural dyes and amplifiers.
Other useful supplements that help enhance color include Astaxanthin, Spirulina, red pepper extracts and so on. And if separately to buy all these additives, the price can be high. But now almost all manufacturers of feed for aquarium fish, there is a line of feed to enhance the color, already with these additives in the composition.
Here are some examples:
With the help of hormonal injections.
This is not to say that this method is as harmful and dangerous as paint injections, but it is still slightly unnatural to natural methods. The essence of the method is that with the help of chemicals to force the body to produce sex hormones and stimulate reproduction, or to enhance the color.
Now this method for coloring is rarely used. Much more often it is used for breeding.
The method of genetic modification can be called a direct descendant of breeding. Modern science has reached the point that it is no longer necessary to wait for many years, applying selection, to obtain new forms, colors or properties of an animal. It is enough to take the gene of one living being and place it in another. The gene will be preserved in all subsequent generations. For example, caviar from my genetically modified zebrafish glows green from birth.
And here is what our newly born zebrafish fry look like. Colored from birth!
The history of genetically modified fish began in 1999 in Singapore, where scientists from the National University tried to plant a gene for the Pacific jellyfish. Their goal was to change the color of the internal organs in order to more easily observe them. And also, according to their idea, colored fish should be signaled about the pollution of water bodies, by changing the color.
Later, a contract was signed between scientists and businessmen, and a company was born GloFish.com,
which patented this name, and the color glowing fish penetrated into our lives. Thanks to cooperation with scientists, a whole palette of different colors appeared. The fishes added not only the jellyfish DNA fragments, to get green, but they also began to add coral fragments for the red color. And their combination allowed to get other colors. Fish do not differ from their wild counterparts, and in the future they retain color in future generations independently, without the help of scientists.
And although in some countries such fish are prohibited by law, they irrevocably settled in aquariums around the world. And even such an authority in the world of aquariums as a company Tetraadvertises them on their website on this link.
Personally, I myself suffer from some congenital genetic disease, therefore, I treat genetic engineering with great respect and consider that this science has a future that will allow us to get rid of many incurable diseases for today.
With the help of lighting.
Do not be afraid to experiment with light!
In conclusion about the barbaric and illegal methods of staining.
Watch these videos, how the colored perches look when they are bought in the store, and how after a while you are at home! And never buy them !!! Do not give cause to paint the next shipment!
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