How to raise African Black Dragon
4hw.com.cn: many people have a hobby of fish farming. Are there several kinds of fish that are not very good? Black dragon is one of them. Black dragon is a big fish. The aquarium must be equipped with an air pump, which can increase the dissolved oxygen in the water and drive out the carbon dioxide with high concentration in the water. Let's see how to raise black dragon.
Euonymus japonicus is easy to feed, pH6.5 ~ 7.5, temperature 22 & deg; C ~ 28 & deg; C are suitable environment, even high temperature 31 & deg; C can grow normally. It should be noted that, although the identity of silverfish also belongs to "living fossil", it has no ability to breathe air of other ancient fishes, and it is not tolerant of dirty environment. The fish tank must be provided with clear, fast flow and high oxygen content water. Silverdragon belongs to the upper layer of the water. If it is not raised properly, it will lose its eyes. The most popular prevention method is to put table tennis in water, but the author's experience is that this method may not work. Because even if ping-pong is novel, it's only for a while. Two days later, when our silverdragon knows that it can't be eaten, it will lose interest in it, no longer pay attention to it, of course, it's useless. So the key is the breeding methods. Silverdragon belongs to the "vision system" of hunters, relying on the eyes to search for prey. As long as the food is on the top of the water, their attention will always be up, and naturally they will not 'drop their eyes'.
Feeding environment of African Black Dragon
It is suggested that the water temperature should be 24-28 ℃, and soft water from weak acid to neutral should be used. There is no requirement for aquarium landscaping, but we need to pay attention to provide a quiet environment for them, so as to prevent the black dragon from getting sick.
All light spectrum lamp has all kinds of spectrum light, which is good for the health of dragon fish. Of course, you can also use the lamp tube specially designed by the manufacturer for the dragon fish. For example, Arcadia company has specially produced a lamp tube for the dragon fish. Under the light, the dragon fish body surface will emit a light red light, which is very beautiful. At the same time, the lamp also has all the spectrum needed for the growth of the dragon fish, which is very beneficial to the growth of the dragon fish.
The body of black dragonfish is large, and the length of aquarium should be more than 120cm. At the same time, UV sterilization should be installed to prevent disease. The aquarium must be equipped with an air pump, which can not only increase the dissolved oxygen in the water, but also drive out the carbon dioxide with too high concentration in the water. In order to prevent the dragon from jumping over the water when frightened, the aquarium must also be covered. The water quality in the aquarium shall be changed at least once every three days, and 1 / 4 to 1 / 3 of the water quantity shall be changed each time. If the fin may fall off due to too much fresh water, it can be recovered slowly as long as the water change is suspended immediately.