Common Betta Fish Diseases and How to Prevent and Cure?

Betta Fish are one of the most common fish that are kept as pets today. They are also a popular choice for beginning aquarists due to their easy care requirements. These tiny creatures have a graceful, flowing shape which is why they have been admired by many. However, with popularity comes misconception and misinformation. If you’re new to owning Bettas and if you’re familiar with Bettas but worried about your Betta’s health, it’s good that you’ve come here. I’m going to present you with information and hopefully reassure you that understanding Common Betta Fish Diseases and How to Prevent and Cure? are things that will help you keep your bettas happy and healthy.

We all know that not only humans need medical care. We also have to be very careful of diseases that could affect our favorite pets, like common betta fish. So let’s find out more about common betta fish diseases and how to prevent and cure these guys.

Common Betta Fish Diseases and How to Prevent and Cure?

The first thing you should know about bettas is that they are very delicate fish. They are also very sensitive, which means that if you do not take proper care of your betta, it can become sick or even die. Unfortunately, many things can go wrong with a betta fish. They can get sick from the water quality in their tank or from something else entirely.

Here square measure some common diseases that have an effect on bettas:


This disease causes cloudy eyes and skin discoloration. It is spread through direct contact with other infected fish or by eating improperly sanitized aquarium equipment.

The best way to prevent this disease from spreading through your tank is by using clean nets when moving fish around your tank and having separate tanks for each new fish you add to your collection (with new water added every week).

The best way to treat Chlamydia is by adding salt or aquarium salt conditioner into your tank at a rate of one teaspoon per gallon of water (two teaspoons per gallon if the temperature exceeds 80 degrees Fahrenheit).

Cherry Eye Disease

Cherry eye disease is an infection caused by bacteria or fungi, which causes the eyelids of your betta to swell up and become larger than normal. This can be very painful for your pet, so make sure you treat it as soon as possible. Your vet will give you some medicine that will help reduce this infection so that it doesn’t get worse over time.

Dropsy (Or Bloat) Disease

Dropsy is another common problem with bettas. Especially when they are kept in small tanks without enough space for swimming around freely during feeding times. Other activities like cleaning out their tank every once in a while (which helps prevent any leftover food particles from rotting inside).

Bacterial Infections

This infections are one of the most common causes of illness in fish, especially bettas. Bacterial infections can caused by several different bacteria including Aeromonas, Pseudomonas, Mycobacterium marinum (fish tuberculosis), and Flavobacterium columnare (columnar). The symptoms of bacterial infection include cloudy eyes and a loss of appetite.

To prevent bacterial infections:

Do not overcrowd your tank! Overcrowding is one of the main causes of bacterial infections because it creates an environment where bacteria can thrive. If you have multiple tanks and need to move your fish between them (for example when changing water), try not to move them more than once per week or so to reduce stress on your fish’s immune system.

Keep your tank clean! Make sure you’re doing regular water changes and cleaning any equipment that goes into your tanks like nets or thermometers.

Finn Rots

Betta fish who are kept in unfiltered tanks or bowls are vulnerable to fin rot. This condition is caused by too much ammonia or nitrite in the water. If your betta’s fins look ragged or torn, then it may have fin rot. The best way to prevent this condition from occurring is to use an aquarium filter and keep your water clean at all times by changing it regularly and cleaning the tank regularly.

Tail Rot

Tail rot is another common disease among Betta fish that occurs when there is too much chlorine in your water supply or if you use tap water for your tank instead of distilled water or reverse osmosis (RO) water that does not contain any impurities such as chlorine or other minerals that can harm your fish’s skin and scales over time if left untreated long enough before causing serious damage to their bodies as well as their immune systems which could lead up towards death if not tended properly soon.

Body fungus

This is caused by a fungus that invades the skin and scales of your betta fish and causes irritation and itching. The affected area will appear red or white, surrounded by a ring of brown or black scales. You should treat this condition with an antifungal medication from your veterinarian or pet store.