The age of sexual maturity of the mosquito fish is relatively early. Generally speaking, it has the ability to reproduce after one or two months of breeding, and then it can reproduce during the breeding season. Their breeding season will generally be in April to October, in this period of time, as long as the environment is suitable for them to breed, but May to September is the most suitable period of time. Put the selected parent fish in a separate breeding tank, and they can give birth once in about 30-40 days. If they are provided with a suitable environment for recuperation, they can reproduce many times a year.
1. Abdomen: First, you can judge whether they are going to give birth by observing the abdomen of the female fish. Before giving birth, their abdomen will have obvious swelling phenomenon, which is easy to observe. In addition, fetal spots may appear at the end of the abdomen. As the spots get bigger, it means they are getting closer to the time of birth.
2. Reproductive orifice: In addition to observing their abdomen, you can also look at their reproductive orifice. When they are about to give birth, their reproductive orifices will have obvious prominent phenomena and gradually expand.
3. Appetite and activity: Their appetite and activity will be affected when they are about to be produced. In terms of appetite, their appetite will be significantly reduced and they do not like to eat. Moreover, their activity will be significantly reduced, they do not like to move, and often stay quietly in a corner. Even if they swim, their swimming speed will be significantly slower.
