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How Many Female Bettas In A 10 Gallon Tank?

The popularity of keeping female betta sororities has seen a huge spike in interest over the last two to there years with more and more fish keepers who like to keep betta fish trying their hand at it.

With the 10 gallon tank being the minimum recommended aquarium size for any decent sizes sorority, we have seen a spike in the number of people reaching out and asking about how many female betta fish they should keep in a 10 gallon tank.

Although there are a few different things to factor in when looking to stock your 10 gallon tank, it is surprisingly straight forward and beginner friendly.

We feel that this is one of the main reasons that so many people who are brand new to fish keeping have switched over to keeping female betta fish recently.

Although a 10 gallon aquarium can be a great option for a beginner betta sorority, a decent 20 gallon tank is a better option.

Not only does it let you keep more female betta fish in your sorority but it can also help to reduce stress and anxiety levels in the tank too.

Can You Keep A Betta Sorority In A 10 Gallon Fish Tank?

You can keep a female betta sorority in a 10 gallon tank with it usually being the standard entry-level sorority tank size.

A 10 gallon tank usually offers plenty of space for around five female bettas in the tank while keeping aggression to a minimum between the fish due to there being enough space for individual territory.

That said though, you really should be keeping plenty of suitable betta hiding spots in the tank if possible to ensure that stress and anxiety levels are kept to a minimum in your fish.

This is much easier than most beginners initially think due to there being a number of excellent options that you are able to use as cheap betta fish hides.

The personality of your betta fish will also come into play too. The majority of female betta fish are more calm and relaxed than their male counter parts making it much easier to keep them without having problems with aggression.

That said though, some female betta fish can end up having issues in some situations with some female bettas being more aggressive than others too.

How Many Female Bettas In A 10 Gallon Tank?

Most people keep four female betta fish in a 10 gallon tank but you can go as high as six depending on the personality of your female bettas.

We have seen some people keep as many as eight female betta fish in a 10 gallon tank but would not recommend it as it can increase the chances of fights breaking out between your fish.

A 10 gallon tank offers more options than a 5 gallon betta sorority as you can easily keep more fish in the tank allowing you to mix and match the various patterns and colors.

With the prices of the rare looking betta fish coming down, this allows you to add some unique, beautiful looking betta fish to your tank for much cheaper than you once could too.

This can allow you to create some beautiful looking aquascapes in your 10 gallon sorority tank while having equally beautiful female betta fish in the tank to keep it looking as unique as possible.

If you are just starting out with your very first betta sorority tank though, you can keep your costs down by sticking to the more common colors for betta fish too.

We have a dedicated guide on setting up a 55 gallon betta sorority tank going over everything that you need to know.

This type of tank setup allows you to keep far more female bettas in your tank while also having a much easier time maintaining the tank too due to the additional space.

How Many Hiding Spots Should Be In A 10 Gallon Betta Sorority Tank?

It is usually recommended that you have 1.5 hiding spots per betta fish with a minimum of two hiding spots for a single betta fish with you rounding up to the nearst whole number.

For example, two female bettas should have three hiding spots but three female bettas should have five hiding spots.

Making sure that your tank has plenty of hiding spots for your fish tends to be a great way to reduce the chances of aggression developing and fights breaking out too.

This is due to the hiding spots serving as an area where the female betta fish in your 10 gallon tank can go to relax and feel safe.

There are plenty of fancy betta hiding spots on the market these days but the the more basic options work well too for anyone who is on a budget.

A quick and easy option for a basic betta hiding spot is to add some java moss to one section of your tank and let it grow out. Java moss is usually only counted as a single hiding spot in the tank though, no matter how large the area of the tank it covers.

Can You Have 4 Female Bettas In A 10 Gallon Tank?

The majority of people who keep a female betta sorority in a 10 gallon tank will keep four female betta fish in the tank.

Most people will be able to keep five female bettas in the tank without issue but going any higher than that does tend to present potential problems with fights breaking out.

We usually tell our readers to add one inch of fish per gallon of water in the aquarium. With an adult female betta fish usually growing to around two inches in length, you take the 10 gallon maximum volume and divide it by the two inches side of the adult female betta to get five.

Due to the betta fish species having a tendency to be more aggressive than usually, we usually knock one off and get the four female betta standard for a ten gallon aquarium.

With some female betta fish, especially those who have lived in a sorority tank previously usually being less aggressive, you may be able to keep five female betta fish in your 10 gallon tank though.

This will usually need a certain amount of testing and adjusting depending on what happens with the other fish in the tank once the fifth female betta is added though.


That brings our article going over how many female bettas you should keep in your 10 gallon tank to an end. Our recommendation would be four but many people do keep five female bettas in a 10 gallon sorority tank without having any problems with fights. If possible, try to add four female bettas initially to see how they interact with each other before risking adding the fifth fish.