How do I know when my Molly will give birth?
The Eyes of the Fry and Signs of Impending Birth
To accommodate the developing eggs, the mother’s body expands, becoming deeper and broader. 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 do molly fish give birth?
But unlike other species that may lay eggs, the molly fish are livebearers. This means they hold their young, or fry, until birthing live fish. But how long does that take? After an average of 30 to 40-day pregnancy, it will take a molly approximately a day to give birth to her fry.
Will Molly fish eat their babies?
Cannibalism is normal with mollies and other livebearers like guppies and platys. As fecund as they are, you don’t really need to worry about saving every last one.
Will baby fish survive in my tank?
Keeping the fish eggs and fry separate from the adult fish may give them a better chance of survival. When moving the fry to a separate tank, use the water from the original tank. Don’t use a net to transfer the baby fish, instead, scoop them up with a cup. … Some adult fish are caretakers.
Can mollies change gender?
Mollies are not able to change gender. The gender of these fish is determined by their genetics so it is impossible for them to change sex.
Can mollies and guppies breed?
Potential cross breeding between guppies and mollies
These adult fish are not fertile and will not reproduce. Sadly, most babies from the guppies and mollies will die before, during or shortly after they are born. Both guppies and mollies can carry sperm for a long time after reproducing.
Do fish give birth out their mouth?
Sometimes the female fish will carry the fertilized eggs in her mouth, or the male and female will trade off, which is called biparental mouthbrooding. Typically fish that are born via mouthbrooding are underweight at first and require recovery time to feed and grow.
Do black mollies have all their babies at once?
Once the female is pregnant, the gestation usually take about 7-8 weeks, at which point the female may deliver upwards of one hundred babies. On average, the female will deliver anywhere from 40-100 fry, though you can expect younger female mollies to be on the lower end of that scale.
How fast do baby fish grow?
Over time with the correct feeding, lighting, and care these fish will reach a full-size adult fish. How Long Does It Take a Fish to Grow to Full Size? The length of time it takes a fish to reach its full size depends on many different variables, but usually, in about 1-2 year, your fish should be the adult size.