Mollies and guppies are two of the most popular freshwater aquarium fish. They are both peaceful, easy to care for, and can live in a wide range of water conditions.
Many aquarists wonder if they can keep mollies and guppies together in the same tank. The answer is yes, mollies and guppies can coexist peacefully in the same aquarium.
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Do mollies breed out of control?
Mollies are a type of fish that can breed very quickly and in large numbers. If not properly cared for, they can quickly overpopulate an aquarium.
While this may not be a problem for some fishkeepers, it can be a challenge for those who are not prepared to deal with a large number of fish. Mollies are also known to be aggressive towards other fish, so it is important to keep them in a tank with other fish that can hold their own.
Will mollies attack guppies?
Mollies are typically peaceful fish, but there are always exceptions to the rule. If a molly is feeling threatened or territorial, it may attack a guppy.
This is more likely to happen if the molly is not well-fed, so it is important to make sure your molly is getting enough to eat. If you see your molly attacking a guppy, you can try to intervene and separate them, but it is best to keep a close eye on the situation in case it happens again.
Can guppies and platies live together?
Guppies and platies are both small, hardy fish that are popular choices for beginner aquariums. They are both peaceful fish that get along well with other fish, making them a good choice for community tanks.
Guppies and platies can live together without any problems.

Will mollies eat guppy fry?
Mollies are live-bearing fish, meaning they give birth to live young rather than laying eggs. Guppy fry are small and vulnerable, and mollies are known to be opportunistic feeders.
For these reasons, it’s generally not recommended to keep mollies and guppies together, as the mollies may eat the guppy fry.
Can guppies live in a 25-gallon tank?
Yes, guppies can live in a 25 gallon tank. They are a small fish and don’t require a lot of space.
Can you keep mollies and guppies together?
Mollies and guppies can indeed be kept together! Both species are relatively peaceful and can thrive in similar water conditions, making them a great match for one another. It’s important to provide plenty of hiding places and vegetation in the aquarium, as mollies can be a bit nippy towards their smaller guppy tankmates.
Overall, these two species make a great combination and can provide hours of enjoyment for their owners.

Can molly and guppy cross breed?
Molly and guppy can cross breed and the offspring is called a molly-guppy. The molly-guppy is a popular choice for aquariums because they are known to be hardy and easy to care for.
They are also known to be good at hiding and are not as easily seen as other fish.
What fish can live with guppies?
Some good choices for tank mates for guppies are mollies, platies, swordtails, tetras, and rainbows. In general, you want to choose fish that are similar in size and temperament to guppies.
Avoid fish that are much larger or much more aggressive, as they may scare or bully your guppies.
How many mollies and guppies in a 10 gallon tank?
A 10 gallon tank can comfortably house 10-12 mollies or guppies.
What size aquarium for guppies and mollies?
The size of the aquarium will depend on the number of fish you plan to keep. For guppies and mollies, a 10 gallon aquarium is a good size.
If you plan to keep more than 10 fish, a 20 gallon aquarium would be a better size.
Summary
Mollies and guppies can coexist in the same tank if the tank is large enough and has plenty of hiding places. Mollies are known to be aggressive towards other fish, so the guppies may need to be outnumber the mollies.