How do you know when a fish is about to give birth?
The Eyes of the Fry and Signs of Impending Birth
A few days before delivery, she develops a bulge below the gills, her outline becoming fairly square in this region, while the gravid spot has enlarged its area.
How long can a fish carry eggs?
Live Bearing Fish Gestation Period
However, the gestation period could vary from one species to another. Even so, the most common time period is about 4 weeks. This is the time that has to pass from the moment of egg fertilization, to the moment when the birth is taking place.
How often do fish have babies?
Depending on water conditions, temperature, and diet, some livebearers can have broods as often as every four to eight weeks. You can tell if a female is ready to give birth by her enlarged abdomen or a dark spot located near her anal fin. The spot will turn darker as her delivery date nears.