If you want the female to give birth faster, you can change the water and increase the water temperature by 1-2 degrees, so that the female will give birth within 1-2 days. However, this method should not be used frequently. The fish changes the water too frequently and the water temperature changes too much, making it easier for the fish to get sick. Similarly, after the female fish gives birth, do not change the water within three days. Most anchovies are produced in the morning. When you get up every morning, you can check the fish tank. If you find any small fish, you need to fish them out in time and put them in a separate tank. Otherwise, the small fish will be eaten by other big fish. Big fish The more, the higher the probability of eating.

Before anchovies give birth, their abdomen will swell and the black fetal spots on both sides of the anus will deepen. Two days before giving birth, it likes to be alone and is prone to restlessness and scurrying up and down. For fish that are close to it, They will chase and bite, so it is best to separate the female and male fish.