Betta Fungus: Diagnosis, Causes & Treatment

betta fungus

Betta fungus affects Betta fish in the aquarium due to a lot of factors. Find out here how to diagnose Betta fish fungus, how to treat it, and how to eliminate the causes

Betta fungal diseases, also known as mycosis or fish mold, always arise as a secondary disease. There are various reasons that can cause fungal infections. Fungal infections occur both in the aquarium and in the aquarium. In principle, it can hit any fish.

In this guide you will find out how to recognize a fungal infection, what causes are responsible and what treatment options there are.

Betta Fungus Symptoms

External Betta fungus symptoms

  • White or slightly brownish threads protrude from the body.
  • Cotton-like structures on the body of fish
  • The eyes, fins, skin, and gills can be affected.

Fungal diseases don’t just spread to the skin. Fungal infections can also develop on the gills, mouth (leading to Betta mouth fungus), eyes and fins. If the fungal disease is not treated in good time, the fungus can also spread to internal organs and muscles.

betta fungus
Betta fungus

How do Betta with fungus behave?

In the early stages, no changes in behavior can be identified. The more the disease progresses, the less activity the diseased fish show. Affected fish are severely weakened due to muscle and organ damage.

Causes of fungus on Betta fish

Fungal infections are always secondary diseases of physical damage. Healthy fish are not attacked. Fungal infections are also called water mold or fish mold. Molds from the genera Saprolegnia, Achlya and Dictyuchus cause the infection. 

Betta fungus

Usually these mushrooms live on dead organic material in the aquarium, e.g. B. Leftover food, the feces of the fish and dead eggs. The fungi release spores which, while floating in the water, search for suitable possibilities for settlement. They cannot attach themselves to the healthy mucous membrane of the fish.

If the mucous membrane is damaged by injuries or other diseases, the spores floating in the water penetrate the wounds and germinate into new fungi. Since the pH value of the mucous membrane is changed by the previous damage, the fungi find ideal living conditions there. 

As the fungus growth progresses, the fungal threads penetrate the interior of the infected fish and cause severe damage to the muscles and organs. In addition, the mushrooms give off toxic metabolic products to the fish. Badly infected fish can usually not be cured.

Before treating a fungal disease, the actual cause of the disease must be determined. A successful treatment of the fungus is only possible after eliminating the actual cause. 

Betta fungus can be triggered by the following causes:

  • Injuries to the mucous membrane from sharp edges in the aquarium (stones, etc.)
  • Bite wounds
  • bacterial infections
  • Fin rot
  • Ulcers
  • Temperatures too low for the infested fish species
  • Burns of the mucous membrane, e.g. B. by acids or alkalis

Through injuries and wounds, spores can enter the body and grow there. The fungal threads (mycelium) can ideally spread in the fish’s body and damage the muscles and organs of the fish. In addition, the Betta fungus secretes toxic substances. Without timely treatment, the damage will lead to the death of the fish.

Betta Fish Fungus Treatment

There are several methods of treating fungal infections. In order to fight fungal infections, one must first fight the primary causes, since a fungal infection is a secondary disease (also: secondary infection).

How to successfully treat Betta fungus (Video)

Fungal diseases can be combated, depending on the severity of the infection, by increasing the temperature to 26-27 ° C, using salt baths or using commercially available remedies.

Mushrooms grow faster at temperatures below 26-27 ° C. However, treatment can only be successful if the underlying causes are eliminated.

Increase aquarium water temperature

Betta fungus grows best at temperatures below 26 degrees. A targeted increase in the temperature to 27-28 degrees helps combat Betta fungus. 

Before the temperature increase, read the profile of your fish to make sure that they can withstand these temperatures. The higher the temperature, the worse Betta fungus grows.

Use table salt

Salt baths have a positive effect on the mucous membrane of the fish. In addition, table salt has a disinfectant effect. Only table salt and no iodized salt are suitable for the treatment. You can find more information about salt dosage and how to perform the treatment here.

How to give Betta fish a salt bath (Video)

Use Anti-fungal medication

Medicines are already available, especially for fungal infections in fish. 

Since medication is very harmful to the water, it should only be used in advanced stages. Mild fungal diseases can often only be treated with increased water temperature or a salt bath.

The following drugs can help with fungal infections:

API Fungus Cure Freshwater Fish Powder Medication

  • Its treats fungal fish disease and secondary bacterial fish infections
  • It helps heal fungus, mouth fungus, body slime, eye cloud and fin & tail rot
  • It comes in easy-to-dose packages for use in freshwater aquariums
  • It easy to use – use two packets every 48 hours when symptoms of fungal diseases appear

Get the API Fungus Cure Freshwater Fish Powder Medication (10 powder packets) HERE

Jungle TB630W Tank Buddies Fungus Clear Tablets

  • The tablets clear Betta fungus and bacteria very quickly
  • The tablets clear open red sores, pop eye, and swim bladder issues
  • The Tablets also protect against secondary infections

Get Jungle TB630W Tank Buddies Fungus Clear Tablets (8 Tablets) HERE

Other common Betta fungus antibiotics

  • Bettamax – helps to treat fungal infections. It also helps with lethargic fish, non-eating fish, torn fins, discolored and vitamin deficiency.
  • Erythromycin – an antibiotic to treat: fin rot, carry diseases and diseases related to molly fish.
  • Spectrogram – an antibiotic to treat: red spots, bleeding, loss of viscosity, ruffled scales, infectious disease, foot-and-mouth disease and fungus.
  • Tetracycline – a general antibiotic to treat: gram-positive and some gram negative bacteria, fin rot, CT fins.
  • Maracyn – a general antibiotic to treat: fin rot, foot and mouth disease, eye swelling, carry diseases and opportunistic infections such as thrush. Ingredients: Erythromycin.
  • Maracyn – a general antibiotic to treat: Fin rot, eye swelling, disease carrying, abdominal swelling, ruffled scales, septicemia, internal infections and diseases opportunities.
  • Coppersafe – an antibiotic to treat: white spot disease, flukes, hookworms, mushrooms, velvet, protozoan diseases caused by bacteria and other parasitic diseases.
  • Aquarisol – saline water containing copper to treat white spot disease and other infectious diseases.
  • Methylene Blue – a fungal treatment for: fish eggs, white spot disease.
  • Malachite Green – a treatment for: skin parasites, fungal diseases such as Betta fungus, fish eggs, including fungal water and fungus Achlya mi.
  • Clout – a drug treatment for: parasitic and protozoan infections, white spot disease, flatworms, Epistylis, Trichodina, Hexamita and Tetrahymena, fungi, trematodes.
  • Maracide – a treatment for: white spot healing and other common parasites.
  • TriSulfa – a treatment forrevention and treatment of common infectious diseases.
  • Maroxy: treatment of fungus and bacteria.
  • Triple Sulfa – a general antibiotics to treat the fungal disease, red spot, fin rot, mouth sores, loss of viscosity / color, eye becomes cloudy, betta fish-related diseases and blood infections
  • Kanacyn (Aquatronics): treatment of gram-negative and-positive bacterial infections, including bleeding, bloating, fin rot, swelling bearing, ball or ruffled scales, fungal, Vibrio infections, fish TB (tuberculosis), poor health and sores.
  • Super Sulfa – anti-bacterial / anti-fungal for the treatment of foot and mouth disease, fin rot, slip viscosity, fungal diseases, diseases related to betta fish and other infectious diseases.
  • Furanace – antibiotics to treat the fin rot, swelling of the mouth and eyes, cloudy eyes, poor health, infectious diseases, fungal diseases, eye inflammation and other diseases related to betta fish  / tetra. Ingredients: erythromycin.
  • Myacin – anti-bacterial / anti-fungal for the treatment of foot and mouth disease, fin rot, slip viscosity, fungal diseases, diseases related to Betta fish and other infectious diseases.

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