How Many Mollies Should Be Kept Together? 5 Cool Tips

One of the most beautiful fish species is molly fish which is always on demand to be adopted as pets. However, many people assume that molly fishes are aggressive and die so they shouldn’t be kept together.

How many mollies should be kept together? An owner can keep as many molly fishes as they want and the amount of fish they can properly look after. However, they should consider keeping female mollies more in number than males. As males can be aggressive towards the female. 

How many mollies should be kept together
How many mollies should be kept together?


How Many Mollies In A 20 Gallon Tank?

Mollies are small fishes.  They can grow up to 3 inches. It is recommended to keep around 4 to 6 molly fish in a tank that has a capacity of 20 gallons of water. If an owner is keeping their molly fishes for them to mate the owner should keep 3-4 female mollies and 1-2 male mollies in a 20-gallon tank.

However, keeping 3 females and 1 male would provide a suitable environment and space for mollies. Mollies should be kept under a temperature of 72-77°F.


How Many Mollies Should Be Kept Together?

When it comes to keeping mollies, owners are often confused about the number of mollies that they should pet. The owners should consider keeping mollies in groups as this gesture can promote a healthy lifestyle among them and help them to thrive. An average terrarium of mollies should have at least four mollies. If the owner can, they can add more mollies. Mollies tend to stay together in groups.

How many mollies should be kept together? The owners should also keep in mind to put the mollies in groups where groups contain mostly females. An owner can have one male and three female mollies or four female and three males in a terrarium. This gesture will ensure that there is female dominance as the males are known to be very aggressive.

Male mollies often harass the female ones. Mating is the main reason why a male is aggressive towards the female.

After understanding the needs of mollies, before adopting mollies, owners should ask themselves How many mollies do you need? The owner should only adopt as many pets as they can take proper care of.

Another question an owner may ask is can different types of mollies live together? Mollies are the same species and they can live together.


how Many Dalmatian Mollies In A 10 Gallon Tank?

How many mollies should be kept together in a 10-gallon tank? For mollies to stay in a favorable environment, it is recommended that the owners should keep molly fish in a 10-gallon tank, an owner can add up to 2 to 3 more Dalmatian mollies in that tank.

For every extra Dalmatian molly, the owner should add 3 gallons of extra water for them to live a comfortable life. Different molly species have different requirements. To answer how many mollies in a 10 gallon tank? On average 3- 4, molly fishes can live in a 10-gallon tank. However the bigger the tank the better it is for a fish to survive.


Do Mollies Need To Be In Groups?

Even though they can live in groups, mollies don’t require them to stay in the groups. Many people keep a single molly fish and they don’t have any problem at all.

However, if the owner wants to mate molly fishes, they will need at least 4 molly fishes. Studies have observed that mollies don’t feel agitated or depressed when they are separated from their groups, unlike other species. However, it is not recommended because the single molly may feel alone and for an overall development they do need a partner or a group.

Many owners also ask Can I keep just 3 mollies? Yes, but the owner should make sure to add the majority of females in the tank.


How Many Mollies Per Gallon?

A single molly would require 10 gallons of water. Fishes don’t thrive in one gallon of water. As water is their home they need plenty of water and space to thrive. Depending on the species of molly fish, an owner can add up to 3-4 more mollies.

However if possible, adding 3 gallons of water per extra fish can dramatically improve the lives of the molly fish. It is recommended to keep 4-5 molly fishes in a 20-gallon tank. A fish can’t live in a tank of fewer than 10 gallons.

How many mollies should be kept together
How many mollies should be kept together?


How Many Mollies In A 29 Gallon Tank?

How many black mollies should be kept together in a 29-gallon tank? An owner can add up to 8-10 mollies in a 29-gallon water tank. Having a lot of mollies requires enough space. Overcrowded aquariums are not recommended as it will only increase the work of the owner, to provide ample food and more frequent cleaning routines.

Together with having a huge aquarium and adding enough plants and hiding spaces and providing more temperature settings. It is recommended to not keep more than 4 mollies in a water tank that has a capacity of 20 gallons.


Who Are Molly Tank Mates?

After understanding how many mollies together stay peacefully, now the owner should know that there are many other fishes, reptiles, and other pets that are kept together with mollies.

However, the owner should consider keeping their pet in a terrarium that has sufficient space for a molly fish. It is vital to know that a molly fish requires at least 10 gallons of water and add 3 gallons of water for every fish added. Having sufficient space and water helps these pets to thrive.

The below list comprises species that can live with the molly fishes: 

  1. Guppies
  2. Southern platyfish
  3. Swordtails
  4. Cory catfish
  5. Suckermouth catfish
  6. Tetra
  7. Angelfish
  8. Harlequin rasbora
  9. Gourami
  10. Slender danios
  11. Siamese fighting fish
  12. Endler’s livebearer
  13. Dwarf gourami
  14. Neon tetra
  15. Cherry barb
  16. Rosy barb
  17. Platy
  18. Cherry shrimp
  19. White Cloud Mountain minnow
  20. Keyhole cichlid
  21. Panaqolus Mascus


Overcrowded aquarium causes stress among the fishes and it gets dirty very quickly. So it is recommended to keep only a few fish in an aquarium.


Do Molly Fish Need Friends?

Should mollies be kept in groups or should I keep only one molly? It is up to owners that they can keep many. Mollies can stay alone without getting angry or depressed however a single fish doesn’t get a holistic development in their terrarium.

It is best for the owners to keep 3-4 mollies. But Do molly fish need friends? Even though they don’t get upset by being alone, that doesn’t mean they don’t need a group. One thing to keep in mind when petting a molly fish is that the owner should adopt females more than males as males can be aggressive towards females. Adopting 3 females with one male is a good choice.


How Many Balloon Mollies Should Be Kept Together?

how many balloon belly mollies should be kept together? Balloon mollies are social fishes so for the best, it is recommended to keep them in groups. The shoal of mollies should contain the majority of females as males tend to be aggressive towards females.

Dominant males can cause stress among females which can also lead to stress and even diseases among the mollies.

How many mollies should be kept together
How many mollies should be kept together? How many mollies should be kept together in captivity? How many mollies should be kept together as pets?


Final Verdict – How Many Mollies Should Be Kept Together

To conclude the answer of How many mollies should be kept together? The owner can keep the number of fish that they can take care of. 3-6 mollies would be a great number but females should be kept in more numbers. Furthermore many people also ask Can 2 mollies live together? Yes, two or more mollies can stay together.

As a pet lover, make sure to learn about pet more and give your pet fish a good and comfortable life!

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