It is because the mollies are very nippy and tend to become very aggressive eater. They will eat almost anything that fits in their mouth. The new born babies are very small just about the size of a pellet food which is why molly are seen eating their own babies after giving birth.
Why do mollies eat their babies?
Mollies belong to a class of fish called livebearers. … 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.
Is it normal for fish to 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.
Why do some fish eat their babies?
Some fish species such as angelfish are known to take care of their fry and help them grow. But even these fish that exhibit parental care will at times eat their own fry. … A further explanation is that by eating her own fry, the female guppy is replenishing her fat storage.
How long should baby mollies be separated?
Caring for Molly Fry
Otherwise there’s a good chance she will begin to eat her young. Baby mollies should be kept separate from the main tank until they have grown large enough that they are too big to be eaten by other fish. A suitable nursery tank will be around 10 gallons in size.
How do I know when my molly will give 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.
Do fish protect their babies?
Most fish abandon their young at hatching, but not discus fish. … Few fish are famed for their parenting skills. Most species leave their freshly hatched fry to fend for themselves, but not discus fish.
What type of fish eat their babies?
Male blenny fish sometimes eat their babies if they think they’re not worth the effort and want a better batch. The barred-chin blenny (Rhabdoblennius nitidus), a fish found in Asia, has an unusual parenting arrangement.
How many fish eat their babies?
While the team catalogued more than 1,000 publications reporting the behavior in both fresh and saltwater fishes, they found that cannibalism has only been observed in approximately one percent of the 30,000 fish species known worldwide.
How do you separate a pregnant fish?
Ideally, pregnant females should be placed on their own in a separate aquarium with lots of feathery plants where they can give birth in a stress-free environment. Then again, once she releases the fry she is returned to the main tank and the fry can be grown on separately.
Can fish fry survive in a community tank?
Without your intervention, there might be several Cichlid fry that survive in a tank that has enough hiding spaces for them such as rocks, driftwood, or decor. But community tanks without any places for the fry will barely have any babies left because the adults, including the parents, might eat them.
Why did my fish eat her eggs?
Sometimes, fish eat their own eggs to compensate for their own lack of food and energy. While angelfish do remove some eggs during the process of cleaning and caring for them, some angelfish may eat all eggs as a response to certain stress factors.
Why do male fish eat their eggs?
Until his offspring hatch, the male diligently tends to the nest (see image), protecting it from predators and fanning his tail to aerate the eggs. And during this period, the male can’t leave his nest unguarded. Thus, he resorts to eating some of its contents to survive.
How do fish get pregnant?
In most cases, the female drops eggs in the water which are immediately fertilized by sperm from the male. Another way is for fertilization to occur within the females body before she drops them into the water. With the third and final method, the female retains the eggs within her body and the young are born alive.