How to breed a goldfish with a fish tank

The use of fish tanks to breed goldfish at home not only saves costs but also adds a lot of fun to life. In order to meet the needs of fish lovers, the method of breeding goldfish with fish tanks is described as follows:
First, select species

The quality of goldfish fingerlings directly affects the quality of their next generation, and should select healthy 2nd-year-old goldfish with good traits and pure breeds as the seed fish. This goldfish is fully mature and full of energy. First of all, to distinguish the male and female goldfish. The male and female can be identified by observing the goldfish's “chasing star”, which is a large white stalk of sesame grown on the tip of the dorsal fin of male fish. Whenever a goldfish breeds, the “chasing stars” of the male fish are very obvious. Some males do not have "chasing stars", indicating that they are not mature enough to be selected as fingerlings. When the females are mature, they often have enlarged abdomen and male tails.

Second, spawning

After the fish are selected, they should be carefully fed in large tanks. Before the female lays its eggs, appetite begins to subside, and a bunch of plants such as Pteris viridis should be placed in the tank. Old brown silk or hemp can also be used instead. When the weather is fine, under the stimulation of the male fish, about 6 to 7 o'clock in the morning, the females lay eggs on the plants. Two hours later, the females that produced the eggs should be fished out separately to prevent them from eating the eggs. Fish tanks with male fish also need to be completely replaced, preventing the secretion of female fish from contaminating the water and causing fish eggs to die.

Third, hatching

Remove the fish eggs together with the aquatic plants and put them in another cylinder, placing them in a ventilated and sunny place. When the water temperature is 13 °C ~ 20 °C, the transparency of fish eggs gradually decreased after two or three days, while a black spot, and then 3 days to 5 days, the black spot expanded to a circle, indicating that the young fish began to develop. In a few days, the little goldfish hatched.

Fourth, bait

When the small fish is hatched, if the tip is small, the body is black and does not eat or move. Attach it to the bottom of the cylinder, the wall of the cylinder or the aquatic grass. At this time, we must ensure that the environment is quiet and we must not rush to remove the plants. After four or five days, the cooked egg yolk can be wrapped in gauze, and the egg yolk water can be fed to feed the small fish twice a day or three times a day, and the amount fed should be less.

Fifth, change the water

Within two weeks after the hatching of the small fish, the body is too small to change the water, but it is necessary to ensure that the water is fresh. If small fish floating head is found, the fish should be removed and replaced immediately. The water can be changed once every 3 days to 4 days. When changing water, try to avoid hurting the fish. At the same time, the bait can also be gradually changed from small broth or cooked egg yolk to adult fish feed.

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Basic information

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