The gestation period of a molly fish is around
60 days
. Female mollies can store sperm for months and may fertilize eggs as often as every 30 days, even when no male is present in the tank. Mollies may release 10 to 60 live fish at a time.
How do I know when my molly will give birth?
There are some signs to look for that indicate that a molly fish is about to give birth.
Her belly will grow and begin to square off, her gravid spot will turn opaque, she will eat less, and she will hide away in dark corners more
.
How do you know if a black molly fish is pregnant?
- 1) A Swollen and Stretched Out Belly.
- 2) A Gravid Spot Under Their Belly.
- 3) Their Behavior Changes.
- 4) A Pregnant Molly Fish Will Eat More.
- 5) They Seek Warmth.
- Stage 1: Conception.
- Stage 2: The Formation of the Embryo.
- Stage 3: The Fry Develop.
Do mollies give birth all at once?
After an average of 30 to 40-day pregnancy,
it will take a molly approximately a day to give birth to her fry
. Many mollies can actually store sperms for months at a time, fertilizing their eggs themselves every 30 days. They can birth anywhere between 20 and 100 fry at a time.
How long is molly fish in Labour?
The fish birthing process can take
1 – 24 hours
. It sounds like your molly gave birth while you were away, but the rest of her offspring became food for the other fish. It is unlikely that the baby fish will be able to survive around the other fish.
Will mollies 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.
How often do molly fish have babies?
The gestation period of a molly fish is around 60 days. Female mollies can store sperm for months and may fertilize eggs as often as
every 30 days
, even when no male is present in the tank. Mollies may release 10 to 60 live fish at a time.
What do you do with a pregnant molly?
How do you keep baby mollies alive?
Do not raise your fry in a tank without a heater and thermometer. It is important to
keep the water at a consistent, warm temperature
in order to keep your fish happy and healthy. Molly fry can be extremely delicate due to poor water conditions. Change the water regularly to keep your fry healthy.
How do you tell if my mollies are mating?
Distinguishing between male and female black mollies is fairly simple.
The males will have the gonopodium instead of a normal anal fin
. Females tend to look larger and rounder than males. Some males will have elongated dorsal fins, but this is not seen on the females.
How long does it take a black molly to give birth?
Gestation and Birth
Female mollies will gestate their young for
about 60 days
. They can give birth to between 40 and 100 fry. Mollies that are young or are having one of their first few pregnancies will tend to give birth to a smaller rather than larger number of fry.
How many eggs do mollies lay?
How many eggs do molly typically lay?
None
. They're live-bearers, which means live birth. Anywhere from a few to over a hundred could be born.
How do you tell if a molly is a boy or girl?
Males and females can be differentiated by the shape of their anal fin
. Males have a anal fin that points backwards. Females' anal fin looks just like the rest of their other fins. More than one molly can be kept in a tank together, however, they have been known to nip the fins of others in their tank.
How do black mollies have babies?
When they mate, the male impregnates the female with a bundle of sperm on his gonopodium, which is delivered to her vent
. 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.
