Bump On Betta Fish Head: Common Causes And Preventions

As we know, Bettas are the most gorgeous due to their vibrant colors, flowing fins, and exquisite patterns.

Therefore, you may become anxious if you notice the bump on Betta fish head.

It may be challenging to determine whether the swelling is dangerous and how to get rid of it if you don’t have any experience.

That’s why you should learn about this issue and find proper solutions to treat it. Let’s dig deeper via this post!

What Causes A Bump On Betta Fish Head?

Your Bettas may have a bump which is also known as a tumor. These bumps can develop anywhere on the fish bodies, especially on their head.

It’s common for a Betta to develop a lump on the head. This bump might be either a bacterial infection or a cancerous tumor.

If these bumpy lesions are shown to be caused by bacteria, it is Columnaris. Betta’s mouth and gills both exhibit it.

The head abscess may also result from bacterial or parasite development by a fish velvet infection.

However, if it turns out to be a malignant head tumor, the prognosis is deadly. If you attempt to eliminate it surgically, your pets will be in pain.

Apart from the main culprit – a bacterial infection, some other reasons cause your pets to have these bumps, including:

  • Genetic predisposition
  • Poor diet
  • Viral infections
  • Physical injuries
  • Aggressive fish
  • Rubbing on pointy items
  • Poor living environment

The bumps might be different sizes; occasionally, they’re little, and other times, they are enormous.

There will be one obvious indication if your pets have a bump. They appear less active, avoid eating, and have difficulty swimming.

sick betta

Common causes

What Body Parts Can You Find Bump On Bettas?

The bump is typical on your Betta’s head, but you may see it on other body parts of your pet like fins, gills, or stomach.

On Fins

A lump that appears on Betta’s side might have a variety of different reasons. It could indicate swim bladder illness.

Swim bladder illness will likely cause your Betta’s difficulties keeping buoyant, sluggish behavior, lack of appetite, and occasionally twisted spine.

Dropsy may potentially be the cause. Sadly, you won’t have much chance of saving your pets if they’re dropsy.

Your Betta may appear bloated, have a twisted spine, and eventually develop pinecone scales if it’s dropsy.

On Gills

Gill hyperplasia frequently causes a lump to be seen on Betta’s gills.

In most cases, gill hyperplasia happens after gill injury. A severe trauma, a parasite infection, or toxic substances might cause this.

On Stomach

Constipation may be the cause of the bump on your fish stomach. These creatures are gutty fish, and they often get constipated.

More symptoms associated with constipation include not eating, lethargy, bloating, or swim bladder illness.

How To Prevent Bump On Betta Fish Head?

Below are actions you may take to lessen the bump on your Betta head risk.

Purchase Bettas From Reputable Breeders

Since inbreeding is less expensive than breeding or importing Betta professionally, several fish corporations inbreed their pets.

Inbred Bettas are prone to have a wide range of issues. One of these is a higher likelihood of developing bumps or tumors.

For this reason, if you want to purchase some new Bettas, one point you should make is to ensure the breeder is reputable.

Keep Tank Water Clean

Additionally, you must ensure that the water in the tank is properly cleaned.

Your Betta will be less likely to get sick if you fill your tank with clean water. It will maintain low ammonia levels if your pets suffer from gill hyperplasia.

Give Them High-Quality Food

Besides, be careful not to provide them with poor-quality, inexpensive food.

You are already aware that lousy nutrition leads to ill health in people and pets such as dogs and cats.

In reality, it has been demonstrated several times that eating poor-quality food raises one’s chance of developing cancer.

Your Betta is not an exception. Therefore, providing your Bettas with a diverse and high-quality diet is best.

If you are a novice aquarist and unsure about food for your Bettas, it’s best to refer to this video:


Treat Infections Immediately

Ensure you start treating your pets immediately if they get sick.

Your pets will be more susceptible to contracting several illnesses if their immune system is weak.

Additionally, it won’t be beneficial if their immune response is weaker.

This case is particularly true when attempting to prevent a fish from developing gill hyperplasia.

Remove Carcinogenic From Water

Ensure that you keep cancer-causing substances from the tank water.

Do not let them approach your Betta since they will be a significant factor in the development of malignancies in them.


Why Does My Fish Have A Bump On Its Head?

Some causes that lead to a bump on your fish head may include:

  • Bacterial infection
  • Genetic predisposition
  • Poor diet
  • Viral infections
  • Physical injuries
  • Aggressive fish
  • Rubbing on pointy items
  • Poor living environment

What Does A Tumor Look Like On A Fish?

A tumor also looks like a bump or lump which can be visible or internal.

How Do You Know If A Fish Has A Tumor?

Several tumors are visible beneath the betta skin as lumps or bumps. Each tumor may seem different and exhibit various symptoms depending on its nature.

Can You Cut A Tumor Off A Fish?

Yes! External tumors can be typically removed surgically and treated with additional topical therapies like cryotherapy.

How Do You Remove A Betta Fish Tumor?

Several treatment methods are available depending on the tumor type, such as chemotherapy or radiation therapy.

blue betta

You can apply various methods like radiation therapy.

Final Thoughts

In short, there are various culprits causing the bump on the Betta fish head, like a bacterial infection, poor diet, or rubbing on pointy items.

Besides, the bump may appear on other body parts of your Bettas. Hopefully, you can find the best solution to save your pets from bumps.

If you have any further questions, leave a comment below. Thanks for reading, and see you in the next post!