The law of nature that we have long been accustomed to. Some weak individuals will eventually be swallowed up by strong individuals, they will be eliminated, they will disappear from this world. Yesterday, an aquarist asked me a more commercial question: "Why do you want to eliminate some fish?" Do my own fish need to be eliminated? "This problem is basically known to anyone who opens a fish factory.
A nest of fish is born, and many fry are eliminated. This piece is divided into two elimination methods: one is manual elimination, and the other is natural elimination. Natural elimination is actually quite understandable. In the wild, fish will breed in the breeding season, why do fish have to grow so many at once? Why don't you have one, and don't you just go on from generation to generation? The main thing is that I am afraid that I will not be able to survive alone. There are many uncontrollable factors in the wild, a nest of fish come out, some are deformed, some are not in good health, these fish will definitely be eliminated first, either can not find something to starve to death, or directly swallowed. There are not many elites who can survive in the end. Under the artificial environment, the food of fish is very rich. But there are still some fish that will be eliminated. Why are these fish being eliminated?
<h1 class = "pgc-h-center-line" >, too poor to fight other fish. </h1>
Here is still a truth, the weak eat the strong. In fact, the mental state of the strong physique is very good, once it finds something, it must go up to grab it at the first time, and immediately fill the stomach. But poor physique, all day long wilting, strong food is not active. You know, at this stage of birth, fry need a lot of nutrients to grow the body. However, some fish have congenital defects, strong eating ability is not strong enough, it is easy to starve to death. The fish that starved to death were simply eliminated on their own.
<h1 class= "pgc-h-center-line" > second, deformity. </h1>
There are some people who are beautiful for deformities. But I personally still can't appreciate this beauty. Because everyone has different views, and there are more people who like normal fish than people who like deformed fish, deformed fish will be directly eliminated. Deformities include deformation of the fish's body, distortion of the fish's eyes, and so on, and the shape of the body becomes different from that of ordinary fish, which is called deformity. Regular deformities or just the right deformities will actually be cultivated, and I seem to have seen a deformed dragon fish in the Arowana exhibition hall before, with a short body, a high back, and raised in a display tank, which is still relatively weird.
But in order to conform to the public aesthetic, deformed fish will eventually be eliminated.
<h1 class= "pgc-h-center-line" > third, the quality is not good, or it does not meet the requirements. </h1>
Fish that are usually of poor quality are also eliminated. For example, orange-spotted snakeheads with very small three fins, or national fighting fish with damaged fins, these fish will also be eliminated.
Some merchants like to breed new fingerlings. Take the peacock fish, for example. If two peacock fish cross and the small fish that are born have no imaginary characteristics, then these fish will be eliminated, leaving the characteristic fish to continue to cultivate. Some Lanshou's tails are double-tailed, but if some fry have a single tail, they will be eliminated, even if its health is very good, it is difficult to escape the fate of being flushed down the toilet.
<h1 class = "pgc-h-center-line" > fourth, disease fish. </h1>
Whether it is fish that is airlifted or fish that is wholesale from China, the fish dealer will inspect the goods. The environment during transportation is still relatively bad, and some fish get sick during transportation. For example, if the mouth rots, the printing is sick, the inside is sent, etc., the merchant is basically troublesome, and the fish is thrown away directly.
After talking about the reasons for the elimination of fish, then do you want to eliminate the fish you raised? Fish has a long lifespan, and as long as it's in good condition in all aspects, you can give it a final hit. But if it is a domestically bred fish, there are strange shapes in a nest of seedlings, which also need to be eliminated. Including poor state and poor physique, they must be eliminated. It's cruel, but sometimes it's necessary to do it, but then again, if possible, raise them all as much as possible.
If you also like to raise ornamental fish, you may wish to start pointing out a point of attention, all you need to know about fish farming is here.