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.
Do Mollies eat their babies?
They don’t lay eggs; their young come out swimming. And they are prolific breeders as well. 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.
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. Mollies may release 10 to 60 live fish at a time.
How many babies do black mollies have?
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.
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.
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.
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 long do Mollies give birth for?
Female mollies will gestate their young for about 60 days. They can give birth to between 40 and 100 fry.
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.
What is the lifespan of a molly fish?
If kept in a healthy environment, a group of mollies will thrive and can live up to 5 years. It’s rare that you will come across a fish store that doesn’t sell mollies – they are one of the most popular freshwater fish.
Why is my molly fish laying on 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. … You may notice fish lying on the bottom of the tank more if the water is not aerated.
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.
Do Mollies kill other fish?
Mollies can be somewhat rough with each other, but usually not to the point where they’d kill other fish.
How many black mollies should be kept together?
Black Mollies are generally a peaceful community fish, but multiple males kept in the same tank can become aggressive, and females which are outnumbered by males will tend to be harassed. The optimal ratio that we recommend is 3 females to each male.
What do I do if my fish has babies?
If you find baby fish in your tank, don’t panic! The first thing you should do is remove any adult fish so they do not eat the babies or move the baby fish to a separate tank where they can grow in safe environment.