Betta Gill Flukes (Symptoms, Treatment & Prevention)
If you find your betta gasping for breath from the tank’s surface or if its gills have become diseased. Then there’s a potential that it’s infected with gill flukes. This sickness can be caused by a parasite infection that is already present in the tank.
The gill fluke is a parasitic condition that weakens the immune system of your fish. If your tank is not kept clean and in good working order, this is an open invitation to various diseases. Gill flukes can also develop if they are left untreated or treated too late.

We’ve covered every detail about the causes, symptoms, and treatment of gill flukes on this page. So that if you suspect something is wrong with your fish, you may examine it attentively and cure it right away I’ll also give you some advice that I used when my betta became unwell with this condition.
What are Gill Flukes and How can you get Rid of Them?
This is a parasite that lives and reproduces on your betta’s gills. They are frequently compared to skin flukes, although they are found on the sides of betta fish. However, the good news is that both illnesses have the same treatment and cure, so if one is cured, the other may be treated as well. Furthermore, there is a difficulty in that the parasites are very little, with a maximum size of 0.3mm, making them difficult to see.
Is Gill Fluke Fatal?
Despite the fact that gill flukes are an uncommon disease in the beta population, if it attacks and is not treated, it can be fatal. It causes open sores, which serve as a breeding ground for germs to assault the fish and spread illnesses and diseases. This progresses to the point when your betta eventually dies. Furthermore, if the gill flukes go deep inside the betta and inflict a lot of damage, it will be very difficult for your betta to breathe, and he may succumb to something else.
What are the Causes of Gill Flukes?

1. Water Quality
Water quality is the primary and major cause of Gil flukes. If your water quality is poor, the parasite can pile up and assault your betta, weakening its immune system and making it more susceptible to sickness.
2. Not the Following Quarantine
This may also happen when you add new plants or fish to the tank that may have parasites or eggs on them, which can thrive in water and infect your fish. That is why it is critical to quarantine the new fish in a quarantine tank for a few days before introducing it to the main tank. Once the quarantine period has been over, you may introduce it to the main tank.
What are the Symptoms of Gill Flukes?
Because gill flukes are so small, they’re difficult to discover or recognize, unlike other illnesses like ich, velvet, or anchor worms, which can be seen with the naked eye. Thus, in order to be certain and to keep your betta safe, here are the signs that you should be aware of before beginning therapy and ensuring that you treat your fish properly. This will aid in the speedier and more complete healing of your fish. Here is a list of all the symptoms of gill flukes to help you get a clear understanding.
1. Struggling to Breathe at the Water’s Top
If gill flukes remain in your betta’s body for an extended length of time, be aware that the situation will deteriorate. It destroys the betta’s gills, making it harder for it to breathe. As a result, you may observe your betta gasping for oxygen on the surface of the water. However, in order to be certain if you have the sickness, look for additional symptoms, as this might also be an indication of ammonia poisoning.
2. Gill Damage
There may come a time when your betta’s gills appear to be severely injured as if they have been eaten away. This occurs only in the most severe cases, and if you detect this symptom, you must move promptly to cure your fish so that it may fully recover; otherwise, it may be too late.
3. Scraping
When your betta becomes infected with gill flukes, it begins scraping its body against anything in the tank in order to expel the parasite. You may observe it rubbing against the tank’s walls or other objects, which might result in sores and scars on its body. However, to be sure, check to see if your betta gill flukes are also experiencing other symptoms, as this scrape might be caused by velvet, itch, columnar, or any other illness.
4, Mucus-covered Gills
When your betta has gill flukes, its gills may create a lot of mucus, which might be the betta’s way of fighting the sickness. However, inspect your fish before treating it since this might be an indication of Columnaris, which produces the same impression, but the mucus emerges from other regions of the body.
5. Ulcers and Sores
The combination of gill flukes and scraping causes sores and wounds. This might happen while your betta is scraping its body. They might be found around the gills or anyplace else on the body.
What is the most effective approach to detect Gill Flukes?
As you may have noticed, the symptoms of gill flukes are not unique, but the gill fluke itself is the only one. This is quite tough to come by, making it difficult to diagnose the fish. As a result, you should thoroughly inspect the fish by placing it in a different tank. If everything is related to the gills, you can make a diagnosis or take it to a veterinarian for a proper diagnosis.
How can you treat Betta Gill Flukes?
There are several treatments for betta gill flukes, and if you act promptly, you may be able to resolve the issue and cure your betta. However, before beginning any medication, you must move your betta to a quarantine tank and treat it separately.

This is because putting the drug directly into the main tank might have severe consequences for the bettas. Because the drug may no longer be effective when diseases develop more resistant in the future. Additionally, the prescription may wipe out your bacteria colony, requiring you to recycle your tank and perhaps causing ammonia surges.
Other organisms, such as plants and invertebrates, may not respond as well to the treatment because they are usually the first to be affected.
1. Use of Anti-fluke Medicine
Anti-fluke medicine is the finest and easiest approach to getting rid of gill flukes in your betta. One of the best options is to go with API general. You could be scared off by its name because it’s a general remedy, but don’t be because it’s the most effective treatment for parasitic diseases.
Here’s how you can apply it to your betta fish:
- For every 10 liters of water, add one general cure packet.
- Add the second packet to the same 10 gallons of water every 48 hours.
- After 48 hours, if the fish was quarantined, you can release it.
- Perform a 25% water change if the medicine was added to the main tank.
- Finally, you should replenish your tank with new activated carbon to absorb any remaining chemicals.
Now, read the directions carefully since it warns on the package that API might cause cancer, so don’t touch the drug with your bare hands and keep the tank in a place where you don’t go too much. If you don’t like the conventional API remedy, there is an alternative way to treat this ailment.
2. Give your Betta Salt Baths
Gill flukes in betta fish can be treated with salt. However, this approach is only effective in minor situations. Because aquarium salt cannot treat serious instances, you will need to purchase anti-parasitic medicine to treat your betta.
Here are the measures to take in order to do the salt bath:
- Dechlorinate the tub water and heat it until it reaches the same temperature as your tank.
- Fill the tub with aquarium salt
- For every liter of water, use 30-35g of salt.
- Place your betta in the salt tub for 4-5 minutes, but if you see your betta is asleep or sinking to the bottom, remove it quickly and return it to the main tank.
- After 4-5 minutes, remove your betta from the tank and return it to the main tank.
- Repeat the technique three times a day for three days in a row.
How do you keep Betta Flukes at Bay? Prevention From Gill Flukes
Fortunately for you and your betta gills, betta gill flukes are a rare occurrence. However, if it occurs, you already know how to handle them. However, you should protect your fish against this sickness, and the ways of doing so are all relatively common and similar to those used previously.
1. Frequently Change the Water
Changing the tank’s water might assist you in maintaining a healthy atmosphere within the tank. First and foremost, it aids in the removal of floating flukes from the tank when the water is removed, reducing the risk of parasites harming your betta.
Second, conditioning and changing the water improves the water quality, which decreases stress in the beta fish, allowing them to live longer and happier lives. This will strengthen their immune system and keep them healthy. Infections or illnesses will not be able to infect your betta if it has a robust immune system.
2. Keep Your Betta in Quarantine
If you bought new fish with the intention of putting them in the main tank, DO NOT. This is the most effective technique of prevention. When you obtain a new fish, quarantine it in a separate tank for 2-4 weeks because if it has parasite eggs or flukes, they might spread in the main tank, therefore you should keep it separate so the disease or infection dies before it reaches the main tank.
3. Provide High-Quality Food
Feeding your betta high-quality food can help strengthen his or her immune system. You should offer them live food as well as high-quality betta pellets to give them the strength to resist sickness.
The Bottom Line on Betta Gill Flukes
Having parasites, illnesses, and infections in your tank is not a pleasant experience. It may take a few stressful weeks to treat the condition, but if discovered early enough, it may be treated with the appropriate medicine. You merely need to search for indicators like loss of appetite and fin discoloration, among others. Also, make sure you take your betta out of the main tank and place it in the isolation tank so you can properly cure it. Then you can certainly safeguard your fish by using all of the measures listed above.