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.
Do mollies have all their babies at once?
Mollies give birth to live babies. They are very easy to breed for the most part, and a single female molly fish can produce over a hundred baby mollies at one time.
How often do mollies 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.
Do mollies eat their babies?
Do molly fish eat baby fish? Mollies definitely eat their babies. Sometimes, they tend to be very nippy eaters. However, mollies feed on almost everything that fits into their mouth, including their babies.
How long are molly fish pregnant for?
Once the female is impregnated, she can give birth to as many as five or more broods of young at intervals of four to six weeks. The number of each brood may vary from 12 to 15 babies from a young Mollie to as many as 150 young from a large swordtail.
Do mollies give birth at night?
Yes, most of the time, mollies do give birth at night. … However, there are some cases where mollies did give birth during the day. This is why it is recommended to have a separate tank for pregnant mollies that are ready to give birth.
How fast do Molly Fry grow?
Mollies grow fast if fed well with nutritional powdered food. They reach full size in not more than 3 or 4 month. In fact, they start breeding at that time. If you do not intend to feed your Molly fries to other fish, they will soon turn into a nuisance.
Why did my molly fish die after giving birth?
Mollies typically die after giving birth due to severe labor strains, secondary to long delivery duration, hostile environment, and inappropriate water conditions. Female mollies also die after delivery due to genetic defects and underlying diseases, such as flukes, fin rot, and ammonia burns.
How many mollies should be kept together?
Mollies tend to stick together most of the time, which is why you should keep them in groups of 4 or more. If you are planning to keep more than 4 mollies, make sure you get a 20-gallon tank at least. A 45- gallon tank should be a perfect choice if you plan to manage multiple shoals of mollies.
Will baby fish survive in my tank?
It is possible to raise baby fish in your main tank, but generally, few will survive this. Larger fish will see them as tasty snacks and even vegetarian fish may be tempted. They can also suffer injuries from being chased and bullied.
How long do baby mollies need to be separated?
In about 4 to 6 weeks, the babies should be large enough to release into the main aquarium. But be sure the babies have grown larger than the mouths of adult fish. If it’s not possible to set up a separate aquarium, drop-in breeders are a great alternative.
Why are my mollies sitting at the bottom of the tank?
When a fish usually sits on the bottom for a long time, it is usually a sign of stress, exhaustion, water quality problems or in livebearers it could mean they are due to give birth. Oxygen Content. This is likely to be a problem if the water is too warm or too cool. …
What does a molly fish look like pregnant?
Physical signs that your molly fish is pregnant: Changes in color – Colorful molly breeds will develop a black line on their lower bellies; Swollen belly – On some molly fish (e.g. black mollies), it’s hard to spot the black line, but you’ll notice they look plumber and their bellies are swollen when they’re pregnant.
How do you get mollies to mate?
Molly Fishes breed by using the internal fertilization procedure. After the mating of male and female mollies, the ejaculation of male molly allows fertilizing eggs inside the female molly. These eggs remain inside the female molly until the fry mollies are prepared enough and released from the eggs.
What does a Molly Fry look like?
Molly fries can be any color they want to be. Normally, they are close to the colors of the parents. Fries are dark grey but as they are growing and getting older, they will start changing color. And, before you know it, you have a colorful tank full of mollies.