How do you think zebrafish is about to lay eggs? How do fish eggs hatch

Abdominal enlargement: The most obvious state of zebrafish before spawning is that its abdomen becomes larger, and when spawning approaches, its abdomen will become square. Character mutation: Zebrafish usually have a mild personality, but before giving birth, their temperament will become irritable. Slow swim: As their bellies get bigger, their swim speed is also affected, so their movements become clumsy. Genital protrusion: Female zebrafish genitals will also protrude, which will be very obvious near birth.

1. What do you think zebrafish is about to lay eggs

1? The abdomen becomes bigger: If breeders want to judge whether zebrafish is going to give birth, they can observe their abdomen. After estrus, zebrafish's abdomen will expand, and when they are nearing production, their abdomen will be very obvious and become square. In addition, after zebrafish conceive eggs, their abdomen will turn pink.

2. Character mutation: Zebrafish has a mild character and will not actively attack other fish in general. But after they conceive eggs, they become irritable and drive away other fish.

3. Slow swim: When the belly of zebrafish becomes larger, their activity will also be affected. When swimming, the speed will slow down and the action will be clumsy.

4, genital protrusion: When the female zebrafish is close to production, its genitals will become more prominent, and the closer it is to production, the more obvious the genital protrusion will be.

2. How do zebrafish eggs hatch

To hatch zebrafish eggs, breeders need to ensure that the water temperature in which they live is between 24-28 ℃. The higher the water temperature, the faster they hatch. If the breeder can keep the water temperature at 28 ℃ all the time, they may hatch successfully in about one day.

During hatching, breeders also need to get oxygen regularly to ensure sufficient oxygen for fish eggs. After successful hatching, breeders should keep the water temperature and water quality stable to avoid discomfort caused by environmental fluctuations.