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 long are molly fish pregnant for?
As I’ve mentioned above, mollies are usually pregnant for a period anywhere from 20 to 40 days (average 30 days). Of course, that would be how long they’ll last from conception to birth. But before this period, there is usually a courtship period between the male and female molly, which can last another couple of days.
How often do mollies have babies?
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 old do molly fish have to be to get pregnant?
Male mollies are ready to reproduce when they are twelve months old. Females can breed at six months of age. After they are sexually mature, mollies can continue to reproduce for two to 2.5 years. They breed often, usually every 30 days, so you can imagine the number of babies that can result.
How do you know when mollies are about to give 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.
Do molly fish eat their babies?
Molly babies get no protection from their parents. The tiny fish are just as likely to be eaten by their own mother as they are by other fish in the aquarium, so to survive they’re going to need a little help.
What is the fastest way to breed mollies?
HOW TO BREED MOLLY FISH FAST: HOW TO CARE FOR MOLLY FISH
How do you know when fish are pregnant?
As your female fish becomes pregnant, she will grow a bulge at the back of her abdomen. This typically appears over the course of 20-40 days. Does your fish have a red or black spot? Sometimes, when a female fish is pregnant, she will develop a “gravid spot” on the abdomen.
What do you do when a molly fish has babies?
Pregnant Molly Fish? Babies? What to Do
Why is my pregnant molly shaking?
It occurs when fish are under severe stress, most often because of environmental problems. The classic scenario is when mollies are kept in soft or acidic water conditions. Though tolerant fish in many ways, they do not do well in soft or acidic water, and it is very common to see mollies kept that way start to shimmy.
Can molly breed with Guppy?
Guppies and Mollies can easily create hybrids if they are kept in the right conditions. There are two names for two types of hybrids. A hybrid fry from a male Guppy and a female Molly is called Golly, whereas a fry from a male Molly and a female Guppy is called Muppy.
How many babies do molly fish have?
Mollies have anywhere between 40-100 babies at one time. The number of babies they produce each time is dependent on factors like the mother’s age, size, health, and environment. The record for the highest number of babies a molly had in a year was 570.
Can black and white mollies mate?
Albeit there being several varieties of molly fish, they all can be mated because regardless of the color or fin configuration, they are the same species, and any male will readily fertilize with all females.
Do fish hide when they lay eggs?
Nesting. It is completely normal for a pregnant fish to spend more time hiding or seeming to explore plants and decorations in the aquarium. This is an indicator that she is coming close to giving birth, and that she is looking for a place to go through the process.
Do fish eat their babies?
Sometimes he guards several clutches by different females, cleans the nest, and fans oxygen towards the eggs to improve their supply. Yet scientists have repeatedly observed males eating some of the carefully-provided for eggs. Filial cannibalism often occurs in fish species in which males care for the eggs or young.
How big do Mollies get?
Four to four and a half inches is the normal size range of a full-grown molly. This length is rather manageable, and allows them to be kept in reasonably small aquariums. Sailfin varieties can get even bigger. They will often reach lengths that are closer to five or six inches.
How many eggs do mollies lay?
Mollies can give birth to anywhere between 40-100 fry during one mating season.
How do you keep mollies away from babies?
Mollies are livebearers, meaning they are non-stop breeders….To avoid having too many Molly fry, you can:
- Keep only females in the tank or separate your Mollies by gender.
- Make tank conditions unfavorable to breeding.
- Let natural food chain take its course and get fries eaten by adults.
- Sell or give away newborns.