How Many Female Bettas in a 55 Gallon Tank?

How Many Female Bettas in a 55 Gallon Tank

If you’re thinking about starting a fraternity in a 55 gallon tank, you might be wondering how many female bettas you can fit in there. You’ve arrived at the right place. Let’s look at the way to solve your concern.

How Many Female Bettas Can Fit in a 55 Gallon Tank?

Bettas favor winged pests to aquatic plants and wingless fruit flies. They require special attention to ensure healthy growth. Experts estimate that there could be 30-40 female bettas in a 55 gallon canister.

While planning to start a fraternity for bettas, you need a minimum of 4 bettas to properly continue the cycle regardless of the size of your tank. In a large 55 gallon tank, you can easily fit up to 30 female bettas without any hassle.

If you’re going to bulk like that, make certain that you have a great flow progressing and plenty of plants and hiding spots.

Is It Safe to Keep Female Bettas in a Large Tank?

Bettas in a big tank are not an issue. They enjoy having as much room as possible. A few arbitrary males may become asserted while protecting such a big area, but this is uncommon. But, female bettas might really enjoy being in a large tank.

Budgies aren’t just a great alternative for both male and female bettas. Female bettas are just as aggressive as their male equivalents, and in some cases, they are even more confrontational. So, it is better to keep bettas separately.  

If you keep numerous female bettas, the amount should be 5 or higher, or you risk having one girl feel the full wrath of all the belligerence. The more females there are, the less each fish gets attacked. 

You’ll have to have a lot of hiding spots and seedlings or other edge-of-spot stoppers to be productive.

If one goes hunting down, they will become sidetracked once they have lost the one they are hunting and will very seldom ever chase them back.

How Many Female Bettas in a 55 Gallon Tank

Bettas in a 55 Gallon Tank: Things You Need to Know

You can’t just start a huge fraternity for bettas without digging deeper. You have to know every tids and bits for your new betta fraternity.

So, here are some important things explained below that will guide you throughout your fraternity planning-

The maximum depth of a tank for bettas

According to Matt Leighton, a longstanding proprietor and director of VivoFish, bettas must be kept in tanks not deeper than 30 centimeters or 12 inches.

In an online statement, he says that if the betta is overly deep, it may struggle to reach the top.

The growth of bettas within the tank

Bettas would not ascend to their greater size if kept in a tank that is very tiny. Even in the biggest tank, they will not grow any taller than 3 inches. Make sure your large tank is not too deep if you want to sprout it.

Are bigger tanks suitable for bettas?

The Betta is a colorful, small fish that is very easy to take care of and ideal for beginners. Bettas are commonly known to prefer tiny confined areas such as pots and bowls as nurturing them in a fishbowl has been a practice over years.

Conversely, they also prosper in bigger tanks with more expansive water swimming aspects. In fact, they do enjoy a large swimming area.

Make sure the tank has enough hiding spots

While decorating the aquarium, make sure to decorate in such a way that it creates enough hiding spots.

Each betta will choose its personal hiding spots and hide from the other bettas, so the probability of attacking each other will decrease. You can use pots, woods, plants etc. To create hiding spots.  

Keep a filter handy

A filter is essential to keep the water fresh for a long time. It will save water as well as your time and cost.

A gentle aquarium filter with the adjustable flow is recommended for betta fishes as they do not like heavy flowing water. Make sure the filter is working properly. A filter will keep the water clean and keep the fish healthy.

A heater is a must

It is very important to keep the temperature of the tank water consistent otherwise the temperature will fluctuate. Inconsistent temperature can be a great threat to the health of your bettas.

The heater will ensure the correct temperature within the fish tank even if your house’s temperature changes. 

Keep the temperature from 34 – 40 degrees Celsius 

Being from tropical waters, the perfect water temperature for betta fishes is from 34 – 40 degrees Celsius. To keep the temperature consistent, you must have a heater for the tank.

Make sure to observe the heater and if it’s doing its job properly.  

How to Setup a 55 Gallon Tank for Bettas?

Setting up a bigger tank for bettas might seem a lot of work, but it is not that hard. With some pieces of equipment and by following a few steps, you can easily set up your tank for the bettas.

Things you will need to set up tour fish tank for bettas-

  • Freshwater substrates
  • Small gravels
  • Small & different types of plants
  • Black poster board 
  • Betta leaf

The steps to set up the tank:

Step – 1: Rinse all the water substrates and plants, and wash them thoroughly.

Step – 2: Get good quality gravels for placing on the water substrates. 

Step – 3: Start assembling all the equipment inside the fish tank.

Step – 4: After you have done assembling, slowly fill the tank with water.

Step – 5: In the tank, carefully put the bettas one by one.

Step – 6: Keep the bettas under observation, note their behavior and seek expert help if needed.

Few more Tips:

  • Always use smaller gravel within the tank. Bettas’ uneaten foods might get under big gravel which is harder to clean.
  • Always use real live plants as they will grow and work as a natural water cleanser.
  • Avoid using plant pots inside the tank as betta fish may get injured from the pots.
  • Avoid placing sharp plants in the tank. Bettas swim very fast and they can injure themselves from the sharp plants. 
  • Make sure that the water is ideally prepared for bettas. The ideal water must have- a temperature between 36-40 degrees Celsius, PH level 7, Nitrite 0 & Ammonia 0. 


What Other Fishes Would Go Along With Bettas?

Fishes that grow the same size as bettas and have similar natures as they are ideal choices for bettas to share the tank.

Some of the common fishes that are usually placed along with bettas are guppies, corys, loaches, trumpet snails, ember tetras, rasboras, etc.

How Can I Keep My Bettas Playful?

A playful betta stays healthy. To keep your bettas more playful, you can – place floating decors, place a ping pong ball in the tank, place hoops in the tank, etc. 

Why My Betta Is Changing Colors?

Your betta fish reacts differently in different situations thus their color changes. It may sound unusual, but bettas can have depression!

And depression is the main reason for bettas to change colors. For instance, if your red betta is turning blues that means it is in depression. 

How to Tell if My Betta Fish Is Happy

One of the major signs to know that your little betta buddy is happy is them swimming all day from one corner of the tank to another. If you see your betta swimming effortlessly, your betta is happy and healthy. 

What Type of Light Should I Use for My Betta?

Direct sunlight is harmful to bettas as it can overheat the water and also increase the number of algae that causes harmful bacteria in the water. You must avoid direct sunlight and use artificial lights for your betta tank.  

Why Does My Betta Have Grey Patches?

If you notice that your colorful betta has grey patches on its body, it’s an indication that your little companion might have a fungal or bacterial infection.

There’s nothing to worry about the mild infection will heal itself. Your betta can also turn grey as it grows older.


If you are planning to create a 55-gallon tank sorority for your female bettas, this article will help you throughout the process. 

Here are the main things you must keep in mind for the large 55 gallon tank-

  • Regardless of the size of your tank, you’ll need a minimum of four bettas to keep the cycle continuing. 
  • In a large 55 gallon tank, up to 30 female bettas can be comfortably housed. 
  • Make sure you have a nice flow going and plenty of plants and hiding spots if you’re going to bulk like this. 
  • Make sure the tank is not too deep.

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