How to prevent and treat popeye in betta fish

If you have ever woke up to your siamese fighting fish staring back out at you all bug-eyed, you are not alone. Congratulations. Your Betta fish has something known as exophthalmia aka Popeye. And the new bug-eyes that your betta is sporting is the symptom of two potential problems:

  • mycobacterial infection (which is easily treatable)
  • tuberculosis (not so treatable)
  • parasitic infection
  • Ichthyophonus or Ick (another bacterial infection and highly treatable)
  • eye flukes
  • internal metabolic disorders

Either way, the reason why your betta’s eyes are protruding is because there is likely an abscess behind the eye.

How to Treat Popeye in Betta Fish

If the cause of Popeye is a mycobacterial infection, you should go ahead and first treat the root of the bacteria itself. This is easily done by cleaning the tank water and ensuring that the pH balance of the water is just slightly acidic. On a side note, nearly all bacterial infections found in bettas and other fish that are pets can be prevented or in the very least you can reduce the risk of them by doing keeping the water clean and monitoring the pH balance.

Additionally, you can treat the water with Tetracycline or Terramycin, two very popular antibacterial medications that you can purchase at your local pet store. The standard is to add this in the water…100 mg of the antibiotic for every 4 oz. of food.

If this doesn’t work, you can try these other methods for a quick fix that also work well as a preventative measure for your betta…

  • Warm the water to 86 degrees. You will want to do this gradually at a rate of 1 degree per hour. The water temperature should already be in the high 70 degree range.
  • Add a little salt to the water- The key is “little”. Don’t give your betta fish a salt bath. The percentage of salt added to the water should be no higher than .6%

Both of these quick fixes will help to keep bacterial infections at bay. It is important to note that if your fix is exhibiting signs of Popeye, you should avoid contact. Although it is unlikely your betta has tuberculosis, it is transmissible to humans through open sores.

In conclusion, Popeye is treatable and like most bacterial infections, the cause is normally dirty water or a low pH. The best way to prevent Popeye is to make sure your betta fish is in a stress free environment. That means clean water, good food, and nice warm water.

How to prevent and treat popeye in betta fish

Betta fish Popeye is a sign of infection around a betta fish’s eye. It can be an infection of the eye alone or a sign of a more serious internal disease.

As with other fish illness and disease, early detection can increase the survival of your betta fish. Knowing how to spot the signs early on can make a vast difference. Let us discuss this condition so you can provide better care to your betta fish.

Please note that veterinarians specializing in fish care will always be the best source of diagnosis and treatment for your betta fish’s health problems.

Here are the things you must know about betta fish popeye treatment. Let’s begin!

Table of Contents

What is popeye in betta fish?

How to prevent and treat popeye in betta fish

The infection of a betta fish’s eye is called Popeye. It is usually caused by dirty water in your betta fish tank. Poor water conditions in a small tank with water volume less than a gallon will have a higher amount of substances harmful to your betta fish.

What are the signs and symptoms of betta fish popeye?

You will notice that your betta fish’s eye will be bulging and swollen. This condition is called exophthalmia. There is a buildup of pressure fluid behind the betta fish’s eye which causes it to bulge out. This is a hallmark sign of infection. Popeye can affect only one eye (unilateral) or both eyes (bilateral) of your betta fish.

A white ring is also an early sign of Popeye even before the bulging out takes place. Other symptoms will include lethargy and lack of appetite.

What causes betta fish popeye?

This condition is actually easier to prevent than cure. Keeping your water parameters good and suitable for your betta fish by regular water change and clean up schedule will prevent the making your betta fish prone to disease. Poor water conditions will stress out your betta and make it susceptible to illness and disease.

Treating betta fish Popeye requires knowing the causes and dealing with them. A unilateral Popeye will most likely come from trauma such as getting injured by bumping into the decoration in your fish tank. It is important to choose plants and decoration with no sharp edges which can damage your betta fish. Remove decorations with sharp edges.

Another cause if your betta lives with tank mates are because of aggression and fights with other fish. You can prevent it by choosing compatible tank mates. Betta fish, especially males, will fight over their territory. In the wild, the losing betta can swim away but the confines of a fish tank will prevent this. Their constant presence with one another will trigger fights.

Avoid using fishnets with rough textures. Choose smoother nets. Catching a betta fish with a rough net with too much force can injure the fish. Be gentle when handling bettas. They have delicate fins and tails and the membranes protecting their eyes can be injured too.

Bilateral Popeye is a sign of infection. Bacteria, fungus, or parasites may cause this. If your betta is suffering from another condition then Popeye may be a sign of secondary infection. You need to handle this in such a way that you are not only just focusing on the Popeye but also on the primary cause of disease.

Do I need a separate tank when treating popeye?

Having a 5-gallon fish tank as a backup tank is always a good idea. This small tank will serve as a hospital tank or quarantine tank where you will place your betta as they undergo treatment.

This allows easier monitoring because you will get to see your betta right away without needing to find it in a bigger tank. This will avoid the trouble of finding your betta in a well-decorated tank with lots of hiding places. Observing your betta closely is essential during the days it undergoes treatment.

It is big enough to have an aquarium heater and air stone. It is best to use a slight amount of smooth gravel as a substrate for a glass tank just to avoid letting your betta see its reflection on the bottom. A food-safe plastic container can also be an ideal option because you need not put any gravel on the bottom.

The heater is essential because you must provide the optimal temperature when treating your pet fish. The betta is a tropical fish that will benefit mostly within a temperature range of 78 to 80 degrees Fahrenheit or 25 to 27 degrees Celsius. Have an aquarium thermometer ready so you can make sure the temperature is constant. Fluctuations in temperature will cause temperature shock and add more stress to the betta fish.

The air stone is essential because it will allow water movement in the quarantine tank. This can be beneficial if your betta doesn’t have too much energy to always swim up to the surface. It can partially get its oxygen from the water through its gills. This tank with a volume of water will also be shallow enough for the betta to not exert too much energy when swimming to the surface. Remember that your fish isn’t in top shape.

Another advantage of using this tank volume is for economic reasons. You will spend less amount of medication in dosing for a smaller tank compared to a bigger tank.

If your betta is part of a community tank, then this practice of putting it in a separate quarantine tank will lessen the stress it receives as it recuperates peacefully on its own.

How do we begin treating unilateral betta fish popeye?

Unilateral Popeye because of trauma can be treated by supporting the betta fish’s natural healing capabilities by providing a clean environment through clean water and frequent water change.

1. Prepare your 5-gallon hospital tank by filling it up adequately with water treated with a water conditioner. This will remove any harmful substances such as chlorine, chloramine, and heavy metals.

2. Put the air stone in and turn the heater on. Let it reach the optimal temperature range. Check with your aquarium thermometer.

3. Add aquarium salt by following the manufacturer’s recommended dose. It is usually 1/2 round teaspoon for every gallon. A popular brand is API Aquarium Salt.

How to prevent and treat popeye in betta fish

Betta fish Popeye is a sign of infection around a betta fish’s eye. It can be an infection of the eye alone or a sign of a more serious internal disease.

As with other fish illness and disease, early detection can increase the survival of your betta fish. Knowing how to spot the signs early on can make a vast difference. Let us discuss this condition so you can provide better care to your betta fish.

Please note that veterinarians specializing in fish care will always be the best source of diagnosis and treatment for your betta fish’s health problems.

Here are the things you must know about betta fish popeye treatment. Let’s begin!

Table of Contents

What is popeye in betta fish?

How to prevent and treat popeye in betta fish

The infection of a betta fish’s eye is called Popeye. It is usually caused by dirty water in your betta fish tank. Poor water conditions in a small tank with water volume less than a gallon will have a higher amount of substances harmful to your betta fish.

What are the signs and symptoms of betta fish popeye?

You will notice that your betta fish’s eye will be bulging and swollen. This condition is called exophthalmia. There is a buildup of pressure fluid behind the betta fish’s eye which causes it to bulge out. This is a hallmark sign of infection. Popeye can affect only one eye (unilateral) or both eyes (bilateral) of your betta fish.

A white ring is also an early sign of Popeye even before the bulging out takes place. Other symptoms will include lethargy and lack of appetite.

What causes betta fish popeye?

This condition is actually easier to prevent than cure. Keeping your water parameters good and suitable for your betta fish by regular water change and clean up schedule will prevent the making your betta fish prone to disease. Poor water conditions will stress out your betta and make it susceptible to illness and disease.

Treating betta fish Popeye requires knowing the causes and dealing with them. A unilateral Popeye will most likely come from trauma such as getting injured by bumping into the decoration in your fish tank. It is important to choose plants and decoration with no sharp edges which can damage your betta fish. Remove decorations with sharp edges.

Another cause if your betta lives with tank mates are because of aggression and fights with other fish. You can prevent it by choosing compatible tank mates. Betta fish, especially males, will fight over their territory. In the wild, the losing betta can swim away but the confines of a fish tank will prevent this. Their constant presence with one another will trigger fights.

Avoid using fishnets with rough textures. Choose smoother nets. Catching a betta fish with a rough net with too much force can injure the fish. Be gentle when handling bettas. They have delicate fins and tails and the membranes protecting their eyes can be injured too.

Bilateral Popeye is a sign of infection. Bacteria, fungus, or parasites may cause this. If your betta is suffering from another condition then Popeye may be a sign of secondary infection. You need to handle this in such a way that you are not only just focusing on the Popeye but also on the primary cause of disease.

Do I need a separate tank when treating popeye?

Having a 5-gallon fish tank as a backup tank is always a good idea. This small tank will serve as a hospital tank or quarantine tank where you will place your betta as they undergo treatment.

This allows easier monitoring because you will get to see your betta right away without needing to find it in a bigger tank. This will avoid the trouble of finding your betta in a well-decorated tank with lots of hiding places. Observing your betta closely is essential during the days it undergoes treatment.

It is big enough to have an aquarium heater and air stone. It is best to use a slight amount of smooth gravel as a substrate for a glass tank just to avoid letting your betta see its reflection on the bottom. A food-safe plastic container can also be an ideal option because you need not put any gravel on the bottom.

The heater is essential because you must provide the optimal temperature when treating your pet fish. The betta is a tropical fish that will benefit mostly within a temperature range of 78 to 80 degrees Fahrenheit or 25 to 27 degrees Celsius. Have an aquarium thermometer ready so you can make sure the temperature is constant. Fluctuations in temperature will cause temperature shock and add more stress to the betta fish.

The air stone is essential because it will allow water movement in the quarantine tank. This can be beneficial if your betta doesn’t have too much energy to always swim up to the surface. It can partially get its oxygen from the water through its gills. This tank with a volume of water will also be shallow enough for the betta to not exert too much energy when swimming to the surface. Remember that your fish isn’t in top shape.

Another advantage of using this tank volume is for economic reasons. You will spend less amount of medication in dosing for a smaller tank compared to a bigger tank.

If your betta is part of a community tank, then this practice of putting it in a separate quarantine tank will lessen the stress it receives as it recuperates peacefully on its own.

How do we begin treating unilateral betta fish popeye?

Unilateral Popeye because of trauma can be treated by supporting the betta fish’s natural healing capabilities by providing a clean environment through clean water and frequent water change.

1. Prepare your 5-gallon hospital tank by filling it up adequately with water treated with a water conditioner. This will remove any harmful substances such as chlorine, chloramine, and heavy metals.

2. Put the air stone in and turn the heater on. Let it reach the optimal temperature range. Check with your aquarium thermometer.

3. Add aquarium salt by following the manufacturer’s recommended dose. It is usually 1/2 round teaspoon for every gallon. A popular brand is API Aquarium Salt.

Even in the safest aquarium, fish can be injured or contract an illness. Popeye is one of these afflictions.

Betta fish popeye can be an alarming sight, and instantly owners wonder, can betta fish die from popeye? Figuring out what’s causing the betta popeye can help aquarists find the best cure, ensuring the fish’s lasting health.

What is Popeye?

Popeye is a catch-all term for any condition that causes a fish’s eye or eyes to bulge or appear swollen. Sometimes the eye may also seem to have a ring or splotches of white around it. Betta popeye symptoms can also include a cloudy or red and irritated eye. It can occur in any fish species, but many people notice it in their betta.

What causes popeye isn’t always the same, so if you see that your betta fish has popeye, it’s best to observe the fish and look for other stress or illness symptoms. Figuring out what’s causing the popeye can help you quickly find a cure and solve the problem.

If left without a cure, popeye can lead to other health issues, including an eye rupture and blindness, and may eventually lead to the fish’s death.

Popeye Caused by Injuries

If a betta fish has an eye bulging, first check to see whether only one eye appears affected or if both eyes have swollen. If only one is swollen, the popeye may be due to an injury.

It can sometimes be difficult to figure out what caused an injury leading to popeye in a betta. Watch your fish as it swims around the tank. Take note of any sharp or rough surfaces it brushes into or otherwise comes in contact with.

How to prevent and treat popeye in betta fish

Hard rocks or sharp plastic plants can often cause an injury. Replace anything that could be responsible for the betta fish popeye with something smoother or softer, such as live plants.

If your betta is housed with tank mates, you will also want to make sure that the betta isn’t being bullied. Other fish often injure each other, and bettas are solitary fish that can become territorial, so you shouldn’t rule out a fight being the cause of popeye. Separating fish that aren’t getting along is often the best cure for injury-related popeye.

Popeye Infections

Infections can also cause popeye in bettas. In fact a bacterial or fungal infection is the most common cause of popeye. The infection can occur in one or both eyes. If your betta is in a community tank and other fish also have popeye symptoms, the condition is almost certainly caused by an infection. You should seek a cure and treat the infection as quickly as possible (see below).

If you suspect the betta popeye is due to an infection, check for other signs of illness. If the betta seems lethargic or isn’t interested in eating, chances are the fish is sick and the popeye is indeed an infection and not something caused by an injury.

How to Treat Popeye

Once you’ve diagnosed your fish, the next logical step is to figure out how to cure popeye in betta fish.

Treatment for betta fish popeye depends on the cause. If it’s an injury, the best cure is generally to move the betta to a calm, solitary aquarium and let the eye heal independently.

If an infection causes the popeye, you may need to use a popeye medicine. Antibiotic or antifungal medications can help to treat popeye. The exception to this is if the fish also appears to be bloated. In this case, although some medications may help to treat the popeye, the fish may have an internal illness that can’t be cured

Will Melafix cure popeye?

Melafix is an antibacterial medication, so it can often help to cure betta popeye.

Can Epsom salt cure popeye in betta fish?

Epsom or aquarium salt can often be helpful when it comes to reducing inflammations, swelling, and infections.

To cure popeye with salt, move the fish to a separate aquarium, away from any other fish or plants that might be disturbed by the salt. If you’re using Epsom salt, use one tablespoon for each gallon of water. Leave the fish in the salted water for between 10 and 15 minutes, but no longer.

To treat with aquarium salt, use the same amount of one tablespoon of salt per gallon of water. Aquarium salt is quite a bit harsher on fish than Epsom salt, however, so only leave fish in this solution for between five and eight minutes.

Preventing Popeye

Although you can often treat popeye, it’s best to avoid popeye to begin with.

Infections that lead to betta popeye are mainly caused by dirty aquarium water, so perform frequent partial water changes, avoid overfeeding, and install a filtration system to keep your tank as clean as possible.

You may also want to isolate any new fish in a quarantine tank before introducing them to a community tank to ensure their health. It’s also best to avoid overcrowding, so only place as many fish in a tank as acceptable for the aquarium’s size.

Bettas are mostly solitary fish, so it may be best to keep the betta alone so no fights occur. You may also want to use smoother natural objects and real plants in order to avoid any injuries.

If you see a betta fish eye bulging, it may be a sign of an underlying injury or infection. Treat these issues as soon as possible so that they don’t become worse and threaten the betta’s life.

How to prevent and treat popeye in betta fish

Steps to cure popeye:

  • Determine if the popeye is due to an injury or infection
  • Remove rough or sharp objects from the aquarium
  • Keep the betta away from any bullying fish
  • Treat infections or injuries with aquarium or Epsom salt
  • Treat infections with antifungal or antibacterial medications

Comment below to ask us any questions about betta popeye!

How to prevent and treat popeye in betta fish

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Popeye, or exophthalmia, is a serious illness that often negatively impacts betta fish and other fish in an aquarium. It is a bacterial infection that causes the fish’s eyes to bulge out. The swollen eye may also develop a white ring around it, which is another vital symptom of popeye. Additionally, the infected eyes may look cloudy, and if the cornea is damaged, the fish’s eyes have a milky color. Moreover, a fish with popeye often seems lethargic and loss of appetite. If this condition not betta fish popeye treatment at an early stage, it may result in the death of the betta.

Effective Treatment of Popeye in a Betta Fish

If you suspect that your betta has popeye, there are certain things that you can do to help it. They are as follows:

  • Isolate from other fish. As bilateral popeye is highly infectious, the affected betta fish should be removed from other fish in the aquarium immediately. It should be kept separately in a glass tank, and quarantined until it is fully recovered. Additionally, if you have more than one betta, do not use the same net or holding tanks when you clean your betta’s water to avoid cross-contamination.
  • Replace tank water. Cleanliness is the best way to slow the spread of popeye. Therefore, it is strongly advised that you replace 100% of the aquarium water every 2-3 days if your fish has this condition.
  • Addition of antibiotic –Ampicillin is an antibiotic medication that is available in the form of a capsule. It is recommended to add one tablet to 10 gallons of water in a tank, for the cure of popeye. If your betta is kept in a smaller container with a much smaller amount of water, it is best to break this capsule into two half dosages. You can then administer the next dose when you complete a full water change. The powder in the capsule should be stirred until it completely dissolves in the water. You can also add Indian almond leaves to the water to aid in the healing process. Some people also add a bit of aquarium salt. However, adding aquarium salt should not be used for more than 10 days because it can be harmful to your fish. Epsom salt is known to be effective because it can kill parasites, reduce nitrates, encourage the production of your betta’s slime coat, improve your betta’s gill function, and more.
  • Bath with Epsom salt –In the case of unilateral popeye, it may be caused by a physical injury instead of a bacterial infection. If this is the case, the treatment would be slightly different than the previous method. For an injury-type condition, you must change a portion of your betta’s water and place your fish in a separate container with a bit of Epsom salt solution added to it. It is typically recommended that you use one tablespoon of Epsom salt for each gallon of water. Then the affected betta fish should be added to this Epsom salt water bath and kept there for at least 10 minutes. However, you must make sure that your fish doesn’t lose consciousness while in the water or have issues breathing. If they do, you need to move them back to freshwater immediately. After the time has elapsed, your fish can be acclimated back to his main tank.

Typically, the bulged eyes of a betta fish affected by popeye can be cured within a few weeks or months if you catch it early. However, it is hard to treat, so it is best to use preventive measures to avoid your Betta catching it in the first place. Always clean your fish’s water regularly and do not keep too many fish in your tank. Also, steer clear of plastic artificial plants and unsafe décor. Ensure that you use live or silk plants and that any décor has no sharp edges to prevent your fish from injuring itself.

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by Erika Tames | November 03, 2020 |

How to prevent and treat popeye in betta fish

Have you noticed that something is off with your betta fish? If you believe that your betta fish is suffering from Popeye, you have come to the right place. Luckily, there is a small chance that you are misdiagnosing your betta fish, even if they have all the symptoms of Popeye. If you are looking for a few tips on betta fish Popeye disease treatment, continue reading below so you can help your fish feel better than ever.

What Is Popeye?

Popeye is not just a disease that affects betta fish. Unfortunately, any fish can suffer from this disease. Popeye occurs when extra pressure behind the eyes causes them to protrude. If you leave this disease untreated, it could result in the death of the fish.

Causes of Unilateral and Bilateral Popeye

There is a range of causes that directly correlate to betta fish eye bulging. Unilateral Popeye occurs when only one of the eyes experiences swelling. Banging of the head into a hard surface or getting into a fight with another fish are most likely the causes of unilateral Popeye. Bilateral Popeye occurs when both eyes suffer from swelling. Parasites, fungus, or bacteria are the most common causes of this form of Popeye.

Signs and Symptoms

If your fish shows signs that one or both eyes are popping out, it is likely that your betta fish is suffering from Popeye. Eyes often change color, as well, and may look cloudy, milky, or even bloodstained. If your betta has a white ring around their eye, this might be another tell-tale sign that they are suffering from Popeye. Additionally, Popeye can be because of another infection or illness. If you notice a lack of appetite or energy, make sure to check for any other signs and symptoms of this disease.

Treatment and Prevention

If you notice that your fish is suffering from Popeye, the first thing you should do is remove the fish from the tank and quarantine them. Once you have done this, you must clean the tank. If you have identified any other issues in the tank following this step, make sure you address them. If this doesn’t help your fish, the next step is to provide them with antibiotics, such as sulfamethoxazole for fish.

Hopefully, the instructions provided above for how to treat a betta fish with Popeye can help you not only identify that your fish is indeed suffering from Popeye but also learn how to treat them. And, if you are looking for antibiotics to treat this disease, visit our website for prices and details regarding several medications that could help your fish. Do your part in helping your fish feel better!

At first, it was just a slight white ring around his eye. But eventually, his eye began to swell. At this point I knew, my beautiful betta has popeye!

This led me to investigate what exactly this is, what causes it, and most importantly how to cure betta popeye!

What Is Popeye In Betta Fish?

Popeye is scientifically known as exophthalmia and is a disease that causes the eye of a fish to bulge out and appear cloudy or white. This can happen in just one eye or both simultaneously (unilateral or bilateral).

This bulging is a result of swelling which occurs when fluid builds up in the space behind the eye. As the amount of fluid increases, pressure grows and this forces the eye to bulge out, giving the “popeye” look.

How to prevent and treat popeye in betta fish

What Causes Popeye?

What causes this fluid build-up? There are a few different potential causes. Most typically, a simple bacterial infection is what causes popeye in a betta fish. These bacterial infections are often the result of dirty aquarium water.

While less common popeye can be caused by a physical eye injury. Injuries can result from fighting with other fish, collisions with objects in the aquarium, or rough handling of the fish.

In rare cases, popeye can be caused by fish tuberculosis scientifically known as Mycobacteriosis . While this isn’t the same tuberculosis that humans get it is fatal and most likely incurable.

Symptoms of Popeye In Betta Fish

How do you tell if your betta fish has popeye? As discussed above one or both eyes will noticeably bulge from the eye socket.

Unilateral popeye where one eye protrudes is more likely the result of some type of injury. Bilateral, on the other hand, is a symptom of a more serious problem like a bacterial infection.

In addition to the “popeye” symptom, your betta’s behavior will also likely change. The eye bulge is painful and causes vision problems and even blindness. Because of this, the betta may have trouble locating food.

Other behavioral symptoms include lethargy and loss of appetite. You will notice this if you see him in his favorite hiding spot not moving around much for most of the day.

Betta Fish Popeye Treatment

What can be done if your betta develops popeye?

There are treatment options available depending upon the cause and severity of the popeye. If it is minor and caught early all that is needed are some basic treatments. More severe cases have been known to blind or even result in the eye decaying and falling off

Treating For Bacterial Infection

Step 1. Quarantine

The first thing you should do is move the betta to a quarantine tank. If your betta does not have any tank mates and you don’t have a proper quarantine tank it is fine to leave the betta in the tank.

This not only gives you somewhere to treat your betta, but it also gives you the option to do a thorough cleaning of the main tank.

Medicate

Once your betta is isolated in the quarantine tank you need to treat its water.

For mild cases, Epsom Salt on its own might do the trick. The salt aids in reducing the swelling and preventing further infection. The recommended dose is 1-3 teaspoons per 5 gallons of water. Salt is a good idea even if you opt for something stronger like an antibiotic.

More severe cases of popeye will likely need antibiotic treatment. Depending upon who you ask you will hear a variety of different recommendations. As long as it is a broad-spectrum antibiotic intended for aquarium fish it should be sufficient. Two of the most effective are Ampicillin and Erythromycin.

Make sure to follow the directions precisely when using these powerful antibiotics.

Water Changes

A 100% water change of the main tank should be done at this time. Thoroughly clean the tank, decor, and equipment as well.

Additionally, perform a 100% water change every 3 days in the quarantine tank as well.

Return Betta to Display Tank

Once you have followed the protocol of your chosen medication regime and your betta is on the mend you may return him to the display tank. Continue to monitor your betta as well as the water quality with frequent water changes.

Depending upon the severity it may take weeks or even months for the popeye to fully subside.

Treating For Injury

Treating for popeye caused by injury is a simpler process than that for infection.

Epsom Salt Baths

Epsom salt will help reduce the swelling and help prevent infection. To learn how to give your betta a salt bath watch this great video below!

Beyond Epsom salt baths all you need to do is follow the preventative measures explained below. These will help prevent your bettas injured eye from becoming infected.

How To Prevent Betta Popeye

The best way to deal with betta popeye is to take steps to ensure it doesn’t happen in the first place!

There are a few things you can do to reduce the chances your betta has to deal with this painful situation.

  • First and foremost, make sure your water stays clean. Do partial water changes once every week or two. Monitor your ammonia, nitrite, and nitrate levels. This will prevent bacteria and maintain your betta’s health.
  • Don’t overstock your betta tank. The more animals you have the more waste that will be created. This means that your water will get dirtier faster.
  • Prevent injuries. Make sure that nothing in your betta tank has sharp edges. Don’t use cheap plastic plants but instead opt for silk or live plants. If you handle your betta do so with the utmost care. If you have companion fish monitor them closely for aggressive behavior towards your betta.

Final Thoughts

If you came here because your betta fish has popeye I wish you the best. Hopefully, the info you find here has helped you identify and successfully treat your betta’s condition!

Six days ago my betta began exhibiting symptoms of bilateral popeye. It started out as white rings but developed into full blown popeye in just a few hours. I did a 50% water change and the next day I went to get medicine (see attached photo). I have been treating for five days without a carbon filter. The betta’s eyes have not gotten any better or worse. Today, one of my other fish (a baby panda cory) died. I checked the water parameters and the nitrite was a little high so I did a 20% water change. I’m not sure if I’m apposed to be changing the water because it says to do a 25% after the seven day treatment. The other fish, a Julii cory, a peppered cory and a bristlenose pleco, are all a bit lethargic. Other than that, they are exhibiting no signs of being sick. I am treating the whole tank just in case it is bacterial. The betta is still eating (eeven though he can’t see very well and it’s hard to find the food). He swims fine and is fairly active. I’ve alalso added aquarium salt (2 rounded table spoons as per directions).

Tank is 10 gallons, 80 degree (normally 78 but since I’m treating for sickness I bumped it up). I kept the fliter running for water aeration as well as a bubbler.

I just don’t know what else to do. I’m upset that my little fish died and I’m thinking it’s cuz the nitrites. I plan on finishing the treatment (2 more days) and then reinstalling a carbon filter cartridge. Please let me know if there is anything else I can do or if I’m doing something wrong.