How long do baby mollies need to be separated?

Do you need to separate baby mollies?

Mollies are prolific breeders, so to control the population it’s recommended that the sexes are kept separate. Males have a gonopodium, a modified anal fin used for reproduction. You can determine a young fish’s gender after about 12 weeks. Keep the babies’ habitat clean.

How fast do baby mollies grow?

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 do baby fish 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 are the signs of a molly giving birth?

The Eyes of the Fry and Signs of Impending 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.

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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.

Do Molly fry need air pump?

Does Molly fry need an air pump? Yes, molly fry needs an air pump. They do need something that is breaking the water surface for gas exchange. This is so that they have the right oxygen levels required to stay alive.

How long does it take for baby mollies to get their color?

None of the babies have her shape. Also, other than black and dalmatian B&W babies, they don’t have much color either. That seems to develop slowly, and at around 2 months, the gold dust starts to show up. Silver, gold, and pale others are not distinguishable yet.

Should I 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.

What fish protect their babies?

African cichlids, which are maternal mouthbrooders, are an example of fish that continue to protect their young even after the eggs have hatched. Female African cichlids hold eggs in their mouths for 21 to 36 days. During this time, the female does not eat, leaving no opportunity for an egg to escape.

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