Can I Put 2 Pregnant Guppies Together Safely? (Solved)

Do you have two pregnant female guppies that you’re worried about housing together? Or, Are you wondering, Can I put 2 pregnant guppies together? If so, it’s essential to understand the risks of keeping multiple pregnant fish in one tank.

While it may be tempting to keep them close, given their fragile and vulnerable state, there are potential dangers if you need to set up a supportive environment for each guppy.

In this blog post, we’ll explore some key factors to consider when deciding whether or not two female pregnant guppies can live side by side safely in the same aquarium.

can betta live with guppies

We’ll also offer tips for caring for sick and injured adults and young fry from both mothers—ensuring everyone in your community tank stays healthy!

Can I Put 2 Pregnant Guppies Together?

Can I keep two female guppies together in one tank while they’re pregnant? The answer is yes but with some caveats. If you plan to keep 2 pregnant guppies together, several things must be considered.

  • First and foremost, your aquarium should have plenty of space for them to move around unhindered. The more room they have, the less likely they’ll come into contact with each other or become stressed due to overcrowding.
  • You should also avoid overstocking your community tank, which can create resource competition between the two pregnant females.
  • Lastly, provide plenty of hiding spots, floating plants, and cover where each fish can retreat from potential confrontations.

How Do I Know if My Female Guppy Fish is Pregnant?

Generally speaking, you can tell when a female guppy is pregnant by looking at her size and shape; she will be noticeably bigger than usual and have a gravid spot (dark patch) near her vent.

How to Tell If a Guppy Is Pregnant

Additionally, her eyes may be slightly protruding, and she may swim differently than usual. You can also try to gently feel her belly for guppy babies—although this should be done carefully as you don’t want to cause any harm.

If you’re still unsure whether she is pregnant, it’s best to take her to a vet for further testing.

Pregnant Guppy Fish Signs of Delivery:

When your pregnant fish is about to give birth, there are vital signs to look out for.

  • She may become more active or sluggish,
  • Her belly may swell significantly.
  • She may even produce a milky white substance from her vent.
  • Additionally, it would help if you kept an eye on any changes in behavior, such as aggression or restlessness.

How Do You Know When a Guppy Is Going to Give Birth?

One of the critical challenges with keeping two female guppies together is that it’s not always easy to tell when one or both of them are about to give birth.

A female guppy will be ready to give birth around two to four weeks after mating, so keeping an eye on the size of the female fish is essential.

How do I know when my guppies are about to give birth? When she is near giving birth, her abdomen will be noticeably enlarged and may have a gravid spot (a dark spot on the underside near the tail).

Once your guppy has given birth, you should watch closely for signs of stress or sickness in her or any of her fry.

To help you stay prepared, watch for signs of impending birth, such as behavior changes or the body’s angular shape. Your guppy may become more active or sluggish, her belly may swell significantly, and she may look heavier overall.

Additionally, she may begin producing a milky white substance from her vent.

To ensure the safety of any newborn fry, it’s a good idea to prepare a separate tank for them as soon as you notice these pregnant guppy signs. This will allow you to watch the babies while they’re still vulnerable and help prevent potential problems.

Should I Separate Pregnant Guppies?

If you have two female guppies in the same tank, it’s essential to ensure they are both safe and well cared for.

The best way to do this is to separate the two females into different tanks. This will ensure that they both have enough space, food, and cover while pregnant and also help protect any newborn fry from potential predators in the tank.

If you don’t want to separate your guppies, ensure the aquarium is large enough to provide adequate space for both pregnant females.

Additionally, it’s essential to ensure plenty of hiding spots and cover where each guppy can retreat from any potential confrontations.

Finally, monitor your guppies closely for signs of stress or aggression between them and act quickly if any problems arise.

Following these simple steps, you can ensure your pregnant fish have a safe and comfortable environment to give birth and raise their fry in.

When to Separate Pregnant Guppy?

When to Put Pregnant Guppy in Breeding Box? When it comes to pregnant guppies, the best time to separate them is right before they reach three weeks of pregnancy and are about to give birth.

This process can be highly stressful for the expectant mother and her unborn fry, so separating her in advance can help ensure a smoother delivery.

Not only will this make it easier for the female guppy to give birth without any disruption from other guppies, but it will also protect potential fry from being eaten by their fish tank mates when they are born.

How Long Can You Keep a Pregnant Guppy in a Breeding Box?

How Long Can a Pregnant Guppy Stay in a Breeder Box? Generally, you can keep a pregnant guppy in a breeding box for over two weeks. During this time, they will become bigger and may even deliver baby guppies.

However, monitoring them regularly is essential to ensure their health is good and that there are no complications.

Once the fry has been born, removing them from the breeding box as soon as possible is advisable to ensure their safety; guppies can be pretty territorial when looking after their young and might eat them if not given enough space.

How Do You Stop Guppies from Eating Their Babies?

Guppy cannibalism can leave aquariums full of dead and dying babies, leaving aquarium hobbyists feeling helpless and frustrated.

Without the proper steps and measures, guppy cannibalism can quickly spiral out of control, wreaking havoc on your aquarium and its fish. 

In this video, you’ll discover proven methods for reducing guppy-on-guppy violence. Our video will show you how to keep your fish safe and healthy so everyone can enjoy your aquarium!

Pregnant Guppy Care Tips

When caring for pregnant guppies, you should take a few key steps to ensure the health and safety of both mothers and fry.

  • Firstly, ensure your aquarium is large enough to provide plenty of swimming space, hiding places, and cover for the expecting guppy.
  • Secondly, ensure the pregnant guppy has a healthy and balanced diet.
  • Thirdly, check on your fish often to ensure they do not show signs of distress or aggression.
  • Finally, consider investing in a breeding box to separate the expecting female from other fish in the tank.

By following these key steps, you can help ensure your pregnant guppy’s and her fry’s health and safety! Good luck!

How to Care for Sick and Injured Adult Guppies?

If you notice a sick or injured adult guppy in your tank, you must provide them with the proper care and treatment as soon as possible to ensure their recovery.

Firstly, remove the sick fish from the main tank and put them into a quarantine tank. This will allow you to monitor their progress more closely and prevent the spread of any illness or infection to other fish.

Secondly, ensure that water conditions in the quarantine tank are kept at optimal levels by regularly testing pH, ammonia, and nitrite levels.

Thirdly, provide your sick guppy with a balanced diet of vitamins and minerals and occasional treats such as live food or pellets.

Finally, consider using aquarium medications to treat bacterial or fungal infections, and keep an eye on the guppy to ensure they respond positively to the treatment.

By following these steps, you can help ensure that your sick guppy fully recovers quickly!

Commonly Asked Questions about Pregnant Female Guppy Fish (FAQ)

How Often Do Guppies Breed?

How often do guppies have babies? Generally speaking, guppies can give birth to fry every 28 days. However, the frequency of deliveries will depend on the health and fertility of the mother fish as well as water temperature and other breeding guppies’ environmental factors.

Can all Female Guppies Give Birth?

Not necessarily; some female guppies may not be able to produce offspring due to infertility or other factors.

What is the Gestation Period for Female Guppies?

Guppy gestation periods typically last around 21-30 days but can vary depending on the health and fertility of the female guppy.

Can I Keep More Than One Guppy in the Same Hatchery Without a Divider?

Keeping more than one guppy in the same hatchery box without a divider is not recommended, as guppies can become aggressive towards each other and the fry. Therefore, it is best to use a divider or separate hatchery boxes.

Do Guppies Need Special Care After Giving Birth?

Female guppies should be given extra care and attention after giving birth. This includes providing them with a nutritious diet and plenty of rest. Additionally, it is essential to ensure that water conditions remain optimal to ensure the health of both the mother and the fry.

Why Is My Male Guppy Chasing My Pregnant Female Guppy?

Male guppies may attempt to chase pregnant female guppies if they are in the same tank, as they can be attracted to her due to her increased size and fertility. It is best to separate the female guppy from the males during pregnancy to prevent this male and female guppies behavior.

When Should I Separate My Pregnant Guppy?

When to separate the mother guppy from the guppy fry? It is best to separate the mother’s guppy from the fry if she shows agitation, such as chasing or nipping at them.

How to Make Guppy Give Birth Faster?

Unfortunately, there is no way to make a guppy give birth faster. The gestation period of a female guppy fish is determined by several environmental factors, such as water temperature and quality, as well as the health and fertility of the mother fish.

Do Guppies Give Birth at Night?

Guppies can give birth at any time of day. However, they are likelier to do so at night, when the tank is dark, and the water conditions are more stable. It is also important to note that some female guppies may give birth without any warning signs, so it is essential to keep a close eye on your tank to ensure the safety of the fry.

What Should I Feed My Guppy Fry?

Once the fry has hatched, providing them with a balanced diet is essential to ensure their growth and development. This includes high-quality flake food, frozen brine shrimp, and small live foods such as microworms or daphnia.

How Fast Do Guppy Fry Grow?

Guppy fry can increase depending on the availability of food and water conditions. Generally speaking, they can double their size in just a few weeks.

How to Help a Guppy Give Birth?

The best way to help a guppy give birth is to ensure optimal fish tank conditions. This includes maintaining good water quality and temperature and providing the mother fish with plenty of rest and a nutritious diet.


In summary, keeping two pregnant guppies together can be risky due to the potential for aggression and fighting. Even when the guppies have a good relationship, it’s essential to ensure there is plenty of space for each fish and that any products used are safe for both fish in such a sensitive condition. It’s recommended to house the expectant guppies in separate tanks to give them enough space and prevent competition between guppy fry or adult fish in the tank.

Ultimately, while two pregnant female guppies can be kept together if done correctly and safely, housing them separately would be the safest option. If done correctly, however, this allows wonderful litters of active fry that make terrifically entertaining aquarium residents! Guppies, in general, are relatively low maintenance and can make excellent beginner fish. Your pregnant female guppy fish should give birth quickly with proper care and attention, resulting in a happy and healthy fish family! Good luck with your guppy breeding adventure!

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About Me

I am the founder of, a devoted wife and mother, and an avid fish enthusiast. My aim is to assist fellow fish lovers worldwide in understanding how to properly care for and breed their pet fish.

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