why won t my betta fish eat

There’s nothing more worrisome than when you notice your betta isn’t eating. While, in many cases, it’s nothing to worry about, in some cases it could be something more serious. If you want to know all the different reasons your betta won’t eat then keep reading to find out! In addition to learning what causes anorexia, you’ll also find out what you can do to fix it. why my betta fish wont eatWhy won’t your Betta fish eat?Here are all the reasons why your betta has stopped eating. Just remember, sometimes even if you think your betta isn’t eating, it may be looking for some food without you realizing it. However, if you want to make sure that something more sinister doesn’t happen, then keep reading.

Your Betta is being loved


In most cases, this will be the reason why your betta won’t eat. If you give your child a certain food for a while and then switch places, he or she may not like it. The way to know if this is the case is to give your baby different foods. If he eats food with no problems then he is most likely a picky eater. The easy solution is to only feed bettas foods they like and discard foods they don’t. While you may think this is a good idea, in the long run it can be more difficult. The problem is, if you can’t handle this food then you will have a lot of trouble trying to feed the fish later down the stream. a variety of foods. You can start by giving your baby lots of new foods until he’s not fussy, or if you don’t want to spend more money, fast for a few days. Once fasted, give them the original food they didn’t want and they should eat it.

He didn’t know it was food

Another common cause of your betta not eating (especially if it’s new) is that they don’t know what you’re feeding them. This is especially common with pellets and flakes. Usually, when bettas are with their breeders, they will only be fed a mixture of fresh, frozen and freeze-dried food. This is the best diet a betta can have because that’s what they eat in the wild. The Solution In this situation, the best solution is to continue to introduce them to the food until they realize that they can eat it. Usually it will only take 2-7 days for them to start eating their food. If they still won’t eat after this time, you may be dealing with a picky betta. At this point, you will start to do more harm than good. So, prepare backup food that you know it will eat, in case your betta doesn’t eat food within 10 minutes, remove them from the tank. If it is left in the tank all it will do is produce more ammonia as it starts to rot.

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Food is frozen / freeze-dried

While frozen and freeze-dried foods are great for bettas, some won’t eat them until it’s been properly defrosted. If you just put it in the tank without giving them a chance to defrost or soften, your betta may just ignore it altogether. You should also be aware that some frozen foods may expand as they begin to absorb water again. If your betta eats too quickly, it can continue to expand leading to constipation and bladder disease in many cases. Just defrost the food before feeding it to your betta. The best way to do this is to take a small amount of water in your tank and put food in it. Once the food is completely defrosted, simply drop them into the tank and your betta will eat them all.

You have a new betta fish

When you have a new betta, it’s not uncommon for them to refuse to eat at first. At times they can be stressed by moving and being in a new environment. (This is especially true if you shipped your betta instead of buying it from the store) The easiest solution here is to give your betta time to settle. Turn off the lights for a few days and try to feed it in the morning and evening. If the child does not want to eat, then after 10 minutes, serve the food.

You feed him too much

Sometimes your betta is eating and you don’t even realize it. A betta’s belly is about the size of its eyes, so if you feed it too much, they won’t be able to eat it all. You may notice that food floats on top of the tank and assume that they are not eating. But in reality, you are simply overfeeding it. Make sure you don’t overfeed your betta. You should only feed him no more than 1-2 food pellets or the equivalent twice a day. As a general rule, just make sure the fish doesn’t consume more than its stomach size in food. (Want to know if your betta can eat goldfish food?)

Poor quality food / Doesn’t give him a balanced diet

A lot of the food you can buy in the pet store is extremely cheap. And as you can imagine, cheap food is made with cheap ingredients. If your betta isn’t eating it could be because of the quality of the food, and even if the food quality is good, it could be because they don’t have a varied diet. If you feed your bettas high-quality pellets that’s fine, but you’ll also need to mix them with fresh, frozen and freeze-dried foods to ensure their diet is varied. The main concern is making sure they are having a balanced diet. There is no need to spend money or time buying different foods for your betta. I regularly use freeze-dried betta and crustacean pellets mixed with live food. You only need to buy the food once and it will last a long time.

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Problem with water temperature

Sometimes you may notice your betta not eating due to the temperature in the tank. Betta fish are cold-blooded, which means that most of their energy is based on the surrounding temperature. Read more: why fiberglass windows are not popular | Q&A top If you keep your betta in a tank that isn’t warm enough it will lead to lethargy and a slower metabolism. When a betta’s metabolism slows down, it takes longer for them to digest food and they won’t eat as much. so it definitely shouldn’t be ignored. And if you don’t have a heater for your betta, here’s everything you need to know about why you should buy one. Feasibility. To do this, you should make sure that your tank has a heater. Even if you live in a hot country, it only takes one cold night to change the temperature in smaller tanks, here is a helpful article that explains more about the perfect temperature for bettas.Red betta fish

Change in their environment

Betta fish are very sensitive to their surroundings. If the parameters in the water change for the worst, it can affect their eating habits. The most common cause of changes in the tank is usually an ammonia spike. However, any chemical that gets into the tank can cause your betta to not eat, but it probably isn’t such a bad thing. This can also happen after a water change. When you add new water to your tank, it will have a different pH, ammonia level, etc than your betta is used to. However, once your betta has adapted, they should be happy eating again. If not, however, check the parameters of your tank. If you notice that the parameters are off then you should do a water change or troubleshoot any way you can. After doing this, your betta will be happy to eat again.


Usually, when your betta is sick or ailing, their appetite will be the first thing that comes to mind. However, along with the loss of appetite, there are other symptoms that alert you to something more serious. Some common illnesses that can cause anorexia include ascites, constipation, and swim bladder disease. If you don’t treat your betta in time, many diseases can quickly lead to death. If you are not sure what disease your betta is suffering from then check out all these articles which can help you to understand better.


As you can see, there are many different reasons why your betta may not eat. While most of them won’t be a big deal, there are some causes for concern. Here are the key points to remember.

  • If your betta won’t eat, they may be fussy. If that’s the case then you should give it a variety of foods until it eats everything you put in the tank.
  • Your betta may not be aware that it can eat the food you give it. This is often the case with young bettas that only eat raw food. When this happens, keep trying until the baby starts eating.
  • Sometimes bettas don’t like freeze-dried or frozen food. Before giving it to him, soak it in some water in his tank to make it easier to eat.
  • If you’ve just had your betta, it may be too stressful to eat. Turn off the lights in your tank for a day before trying again.
  • Perhaps your betta is eating and you don’t realize it because you overfeed them. Pay attention to it the next time you feed it and don’t put too much food in the tank for it!
  • If you bought cheap food then your betta can taste it. Only feed your bettas high-quality food and make sure they have a well-balanced diet.
  • Sometimes, a small change in the water can cause a betta to stop eating. Check your water parameters and see if there are any problems.
  • If the water temperature is too cold, it can slow down the child’s metabolism, resulting in the child eating less.
  • Finally, your betta may be suffering from some kind of illness. Make sure he doesn’t have any symptoms and if he does, get him treated quickly.
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If you liked this article or you have any questions, leave a comment. If not, have a great day! Finally, as well as when not eating, you may notice that your betta is spitting out food. If this is happening here are all the reasons behind it! Does your Betta have to live alone? If so, you might want to know about the many tankmates you can live with. So check out the Ultimate Betta Tank Mate Guide, where you’ll learn about 68 different tank mates that can live with your betta, as well as fish species to avoid. You’ll also learn how to create the perfect environment for your mates, how to introduce your tank mates and more! So check it out!Guide Betta Tank MateRead more: Why it took so long to arrive

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