How Long Does It Take Baby Molly Fish To Grow in the USA

Watch their growth. It will take around one to two months for your fry to grow large enough to be introduced into your standard aquarium. The fry should be larger than the mouths of an adult molly fish. Do not move the molly fry until you are sure they are ready to handle your larger tank.

How long does it take for mollies to fully grow?

The molly fish will take around 3 to 4 months to grow to their full size, and in part, this will depend on their water conditions, diet, and more. With good care, it should take no longer than 4 months for a molly fish to grow to full size.

How quickly 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.





Will my baby mollies survive?

Mollies belong to a class of fish called livebearers. They don’t lay eggs; their young come out swimming. 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 mollies have?

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 does fish fry take to grow?

About 3 months, just as long as you provide them with the necessary nutrition and conditions. How long should I keep the fry in a separate tank? Until they are bigger than the other fishes’ mouths.

How long can mollies live?

The average molly fish lifespan is around three to five years. While they aren’t the longest-living freshwater species out there, there is some wiggle room depending on what species you get. The quality of care you provide will also impact their lifespan significantly.

How many times a day should you feed baby fish?

Properly Feeding a Fish Many fish hatch as larvae with an attached yolk sac, which provides nutrition until the larvae are capable of feeding on their own. After that, baby fish must eat at least four to six times a day because they have very high metabolism and lack fully developed digestive systems.

Will baby fish survive in my tank?

Not necessarily. Many fish breed very easily and produce great numbers of offspring, simply because very few will survive to adulthood. The more fish in your tank, the more you will need to feed them, the more feces they will produce and the harder your filtration system will have to work.

When can Molly Fry be released?

When can I put my Molly Fry in the tank? You can put the fry in the tank for about 2 weeks. This is when molly fries are large enough to not be mistaken for food anymore. They can then be released in the main tank, or you can put them into their own, separated tank.

Do guppies eat baby mollies?

On average guppies breed every 30 days, each time producing 20-50 babies. Mollies also breed every 30 days, however, they’re likely to have anywhere between 10-60 babies. Luckily for you (but not the babies), guppies and mollies feel no love for their children and will happily eat them.

How do you keep baby mollies alive?

Feed your fry small amounts of food, about a pinch at a time, several times a day. To make it easy, feed the fry immediately before or after you eat. Clean any uneaten food from the tank. Use a net or a skimmer to get powdered food off of the surface of the water.

How many mollies should be kept together?

Keeping Molly Fish Together You should keep them in groups of at least four or more, they naturally stick together. The group should be made of mostly females since males are known to harass them.

How long is a fish pregnant?

As examples, the female swordtail and guppy will both give birth to anywhere from 20 to 100 live young after a gestation period of four to six weeks, and mollies will produce a brood of 20 to 60 live young after a gestation of six to 10 weeks.

Should you separate baby fish?

After Your Fish Gives Birth For many species, it’s important to keep fertilized eggs and newly hatched fish, or fry, separate from the adults. Some fish eat their own young while others eat the young of other species. Keeping the fish eggs and fry separate from the adult fish may give them a better chance of survival.

How do mollies mate?

The Basic Mating Behavior of Black Mollies When black mollies mate, the male will transfer milt, the fluid that contains his sperm, into the female’s body using is gonopodium. The gonopodium is a special anal fin that is shaped like a rod rather than a normal fin.

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.

Are female mollies bigger than males?

Female mollies have bulky figures; they’re wider than males at the rear of the abdomen for breeding purposes. When pregnant, she will take on a bulging, lumpy appearance. Her fins are shorter; the anal fins are triangular.

Can I keep two male mollies 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. Since male mollies are aggressive breeders, adding more females should divert the males’ attention between them.

How do I keep my molly fish happy?

Sandy substrate is recommended just so you can keep vegetation in your tank. To keep them happy, give these little fish with big personalities with things to do like tall plants to hide between. Satisfy their natural curiosity with artificial caves and rocks to explore.

Do water changes help fish grow?

Regular water changes can also help save money because it can render the use of carbon filtration completely unnecessary. Water changes also have a great impact on the stocking of your tank. Studies have shown that water quality exerts a greater influence on the growth of aquarium fish than tank volume.

What do baby fishes eat?

The fry should be fed a quality food, such as baby brine shrimp, baby fish food, or quality flake food ground into a fine powder. Feed the fry small amounts several times a day. Maintain good water quality by performing regular water changes.

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