Ranchu goldfish reach a certain age, it has the ability to reproduce. In May and June of each year, they can breed. Generally speaking, they can only reproduce once a year, because they are more physically exhausted after laying eggs. However, there will also be age appropriate and good physique Ranchu goldfish, a year can lay eggs twice or three times, but this situation is relatively small.
They usually lay eggs within the breeding season, and the interval between two eggs is usually about 10 days. However, if the energy consumption is too large, slightly weak Ranchu, then the interval will be longer. So, after the Ranchu goldfish spawn, what they need to do is to provide a suitable environment for them to recuperate and see if they can spawn again.
Generally speaking, the eggs of the Ranchu goldfish cannot hatch by themselves. It is necessary to artificially control various factors to carry out artificial incubation. After the parent fish spawn, it is better to fish out the parent fish and put them in another tank alone to restore their strength. When the eggs are hatched, special attention should be paid to the water temperature, which should not change dramatically, and the water temperature should not be lower than 15 degrees, otherwise the hatching may not be successful. The incubation time is usually 4-7 days, but it may be longer, so you need to be patient. After hatching, the small fish will not like to swim. After two days, they need to be fed some egg yolk 2-3 times a day.
