The delivery time of guppies varies depending on individual differences and the number of times they give birth.
Guppies are ovoviviparous fish. They give birth to fry directly instead of laying eggs. This means that the eggs of guppies are fertilized and hatched inside the mother's body, and then live baby fish are born directly. This reproductive method enables the guppy fry to have a certain survival ability at birth and be able to adapt to the aquatic living environment immediately.
The breeding process of guppies is relatively simple. As long as there is one male and one female guppy, they can mate. Guppies reach sexual maturity very early. Generally, they can start breeding at 3 to 4 months old, and breeding can occur throughout the year, regardless of the season. The gestation period of female guppies is 26 to 31 days. When pregnant, the female's abdomen will gradually expand, and a black gravid spot will appear. This is an important sign to determine whether a guppy is pregnant.
During the breeding process, the male fish will chase the female fish and insert its gonopodium into the female's cloaca for internal fertilization. The number of fry born each time is generally 30 to 120, and the specific number depends on the size and health of the female fish. To ensure the safety of the fry, it is recommended to separate the female fish from the fry after she gives birth to avoid the fry being eaten by the mother fish or other large fish.
This breeding method of guppies not only makes their breeding process simple and easy, but also greatly increases the survival rate of the fry, making guppies one of the most popular ornamental fish.