How do I know if my betta fish is happy?

In this blog we will discuss what makes betta happy and how do we know they are happy.This blog will help the betta owners know about their happy behavior and they will learn what keeps them happy and engaged in home aquariums.


In this blog

  • How do I know if my betta fish is happy?
  • What is the normal behavior of a siamese fighting fish aka betta fish?
  • How do I keep your betta fish entertained in home aquariums?
  • Do bettas need friends in their tanks?
  • Do bettas like to play with ping-pong balls?
  • Do bettas enjoy having hammocks in their aquarium?
  • What kind of decorations keeps betta fish happy?
  • How much water replacement keeps your bettas happy?
  • What tank size keeps bettas happy?
  • How do you make your depressed betta happy?
  • Can bettas live happily alone in the aquarium?
  • Summary
  • Frequently asked question
  • Reference 

How do I know if my betta fish is happy?

If you’re on the lookout for a betta’s emotional status, you need to spend a little time each day checking it out. Generally, a betta fish will maintain a consistent pattern of behavior unless something is wrong with it or its environment.

A happy betta fish will have strong and vibrant colors

A betta fish that isn’t stressed and is physically active and healthy will show beautiful vibrant colors and their long flowing fins.

Fighting fish or bettas respond to stress by changing their color. Changes usually occur in the form of color loss or dullness.

Some of them lose their color temporarily when they are overstressed. Stress stripes are usually displayed in black, red, white, or a combination of colors.

Beta usually change color with age when they are around 2 years old.It is not uncommon for betta fish to change their color and these changes are generally due to stress, age, or illness. Make sure the beta is in a tank large enough to be at least 1 gallon to prevent stress.

If you have not changed the water for a long time, then bettas gills burn out from ammonia in the water, they develop red stripes on the tail, their gills become inflamed, and they die. Ammonia is highly toxic because they float in their urine.

Bettas can lose their color due to stress, old age, injuries, and illness. They can also lose color naturally, especially if they carry the marble gene. If they turn black, it’s not a thing to get worried unless they show signs of other illnesses.

A happy betta fins are held open, but not taut, allowing their fins to billow and fold in the water.

Fighting fish or betta fish naturally flare up when they are aroused by some healthy stimulus, such as during feeding or when you enter a room to play with them.

Bettas flare their fins as an act of intimidation designed to display dominance and appear bigger in the tank. It’s fine for bettas to do a little of this behavior every day, but more than a minute or so can cause the fish to become overly stressed.

A happy betta feeds readily and have a hearty appetite

Bettas are voracious eaters and love to eat all the time.They will have a proper feeding time and mostly take their food on that exact timings only.

Bettas will wait for their food and will come near the surface to have their water.They heartily eat their food and enjoy eating their food too.If they are not keeping well or under stress they might show the exact opposite behavior.

Bettas won’t eat,isolate themselves,reject even their favorite food and float or sink in the bottom.If they display such sluggish behavior then owners should not neglect them and try to check what is wrong with them and what is actually troubling them.

If bettas don’t eat for a long period of time then they might die off soon.To avoid such behavior one must take proper care of their feeding habits and feed them on time a healthy and protenicious meal.

A happy betta shows active,smooth swimming movements

Happy betta swims around their tanks every day. Sometimes they will move around almost lazy, and at other times they will flit quickly from side to side. If the betta has no problems swimming and does not seem to lean or struggle to the side, the betta is healthy and happy.

If the betta fish is active and healthy, then they pay attention to what is happening around them.They are always interested in eating and feel happy if the water parameters are optimal.

If they are happy and healthy then they will routinely make rounds around their aquarium to protect their territory.

A healthy and happy betta should swim around quite a bit. This should add more when you’re in front of them. Healthy Betta fish are very interactive fish and like to follow their owners around the aquarium. 

Their owners will notice that bettas tend to actively swim up and down one side of the aquarium.

Hypoxia can cause betta fish to swim in strange ways, often due to lack of oxygen in their water. Most often, they spend a lot of time on the surface of the water to get oxygen.

Hypoxia often occurs when the  aquarium water is too warm. Bettas do need warm water in their aquarium,but it should not be beyond an ideal range.If it goes above or below it can affect their health adversely.

What is the normal behavior of a siamese fighting fish aka betta fish?

A betta fish is a lively and happy little fish that doesn’t have any problem showing it. They are voracious eaters and eat aggressively and swim to you without problems even if they think you may be eating a treat. 

These beautiful fish are so unique,full of personality and pleasant to the eyes.

How do I keep your betta fish entertained in home aquariums?

Betta is territorial and not friendly with other similar types of fish, so you can entertain them with toys,aquatic plants and other aquarium friendly items.Betta loves to relax with leaves, hide behind logs, and play with balls.

Do bettas need friends in their tanks? 

They don’t need friends because of their territorial and aggressive behavior.They are solitary fish and like to be alone in their tank. They won’t enjoy the presence of other fish species, but they may be able to live with them without a problem.

Do bettas like to play with ping-pong balls?

Yes,bettas enjoy playing with ping-pong balls because it’s a great floating toy and keeps them occupied and entertained.They are attracted to these balls because of their curious nature and like to hang out near the surface of the water.

Do bettas enjoy having hammocks in their aquarium?

Bettas are attracted to the hammock like a magnet and just chill in a small area near the surface to spend hours of fun. They appear to be naturally drawn to the hammock, so adding them to the tank can make them happier.

What kind of decorations keeps betta fish happy?

It’s always a nice idea to add several embellishments to bettas aquarium.Shipwrecks,leaves,foliage, & balls are all excellent additions that can stimulate them,enhance their well-being, reduce their stress, and create an ideal environment for them to feel home away from their natural home.

How much water replacement keeps your bettas happy?

The 1 gallon aquarium should be completely replaced once a week. In a large aquarium of 2-3 gallons (small household aquarium), only 50% of the water can be changed at a time. This should happen once a week.

Most of the time, betta aquariums only need a partial water change. However, if the container becomes dirty, complete water change is mandatory.

With a well-set aquarium and a proper power filter, good quality, and a planned feeding schedule,betta can definitely go a week or so without a water change.

What tank size keeps bettas happy?

For a single betta, the size of the aquarium should be 2.5 gallons, around 9.5 liters in order for the betta to feel at least comfortable and happy. 

You should probably consider getting an even bigger and spacious aquarium, around 4 gallons,roughly 16 liters will keep them extremely happy.

How do you make your depressed betta happy?

  • House them in a big and spacious tank.
  • Lots of decorations in their aquarium.
  • Add aquatic plants in their aquarium for hiding.
  • Rearranging their aquarium.
  • Give them a wide variety of high quality proteinous food.
  • Having an interaction with your betta fish.
  • Lots of swimming activities.

Can bettas live happily alone in the aquarium?

Bettas can be happy alone in an aquarium, and their environment still calls for plenty of riches, like dens, aquatic plants, and lots of space to explore.They experience stress, especially when their fins are pinched by other incompatible aquarium mates in the same aquarium.


  • The bettas are very smart, and their tanks need constant variety and richness, otherwise they will quickly become boring and unhappy.
  • Bigger and spacious aquariums keep bettas very happy.
  • A healthy environment for bettas should consist of lots of aquatic plants (preferably non-plastic ones). 
  • There should also be lots of  hiding spots for your bettas to rest in.
  • There are more and more fish toys on the market to help stimulate the betta aquarium environment.
  • Keeping their aquarium clean, eliminating stressors, and providing proper nutrition will help keep your betta fish healthy and happy.
  • All aquarists need to be aware of the importance of a proactive approach to protecting the well-being of their aquarium pets. 
  • Responding quickly and carefully to physical and behavioral changes shows that your bettas well-being is your top priority.

Frequently asked question

How much sleep do bettas need everyday to remain healthy and happy?

If betta gets 12 to 14 hours of sleep every day, including daily naps, this is normal and enough to keep them healthy.

Do betta fish like hiding spots in their aquariums?

The betta like to swim alone and also need a good place to hide in their aquarium.Water caves or dense, planted nooks are great for making a betta feel safe and secure.

What kind of food keeps bettas happy?

You should feed them a high quality flake or pellet made specifically for bettas.Make sure you are not overfeeding them.Overfeeding can cause disease in bettas and make them overweight too.