Goldfish will lay eggs in the breeding season after reaching a certain age. Specifically in the spring and fall. When the water temperature is suitable, goldfish will lay eggs. About 20 degrees is more appropriate, the water temperature is too low goldfish will not spawn.
In the breeding season, the male fish will chase the female fish. After that, this phenomenon will be more frequent. At first, it was only an occasional chase, and then the number of chases would gradually increase. When a female fish is about to spawn, there are some signs that can be used to determine whether they are about to spawn. Specifically, both male and female fish have signs. When the female fish is about to spawn, the male fish will become more and more active, sometimes closely behind the female fish, eager to chase the female fish; Sometimes they rub the belly of the female with their head, chest or fins; Sometimes they even knock the female over. These phenomena are obvious, so they can be judged by observing male fish.
In addition, the female fish before spawning, it will also have a clear performance, they will have been in the nest shuttle; They are also very active and sometimes even jump out of the water. In addition to observing the activity of female fish, we can also observe their abdomen, generally speaking, their abdomen has a certain degree of uplift, which can be observed.
