Common Fish Diseases – Signs And Treatments

As a hobbyist, everyone wants to keep their fish beautiful and healthy. But this is really difficult because there are many sources of pathogens that affect the health of your fish. Common diseases in ornamental fishes can be caused by parasites entering through waterways, food not carefully processed, or due to deficiencies in the care of farmers, etc. Depending on the cause of the disease The symptoms as well as the consequences of them will vary, here you go with to learn about common diseases in ornamental fish and the best treatment. Common diseases in ornamental fish.

White spot disease

This is a disease that most hobbyists will encounter. This disease is caused by the Ichthyophthirius parasite and can be fatal for your fish if not taken care of quickly and properly.

How to recognize, on the body of fish appear white spots.

The cause of the disease is the weakened immune system due to stress from raising too many fish to the tank size. In addition, other environmental factors such as diet, water temperature, quality, and incompatible fish living in the tank may also be a cause.

In the process of finding new hosts for parasites, these small parasites are easily destroyed if the farmers have the correct method. Because the disease spreads quickly and there is no limit to a certain range, it is necessary to treat the entire aquarium.

Although this disease is easily acquired, people have now found a way to treat it completely. The simplest method is to raise the water temperature to about 32-35 degrees Celsius and leave it there for 4-6 days.

In addition, you can also mix in a little potassium permanganate (1g / liter of water), if the aquarium has aquatic plants, use Tetra salt granules containing little Bonsoi (After 3 days, change the water).

Water mold disease – Fungus disease

This disease never attacks healthy fish. So the best way to prevent disease is to keep the culture water clean and feed it well.

The fungal disease will kill the infected fish if there is no intervention when the disease occurs. Symptoms of the disease are on the fins and the skin of the fish appears gray or white. When these gray or white areas expand and become more like cotton, then the disease is progressing.

There are many different treatments available. One of the ways leaves use methylene blue to prevent fungi in eggs and can be used for fry. For adults can use phenoxyethanol solution or antifungal medication to treat fungus. If using phenoxyethanol solution should be used with a dose of 10ml of 1% phenoxyethanol solution/liter of water.

The treatment can be repeated after the first few days if necessary but should not be used more than 2 times since repeating because the drug may be harmful to fish. Severely ill fish can catch and use a cloth moistened with iodine solution or mercurochrome reddish to wipe and apply to the fungal colonies on the fish body will increase the effectiveness of the fungus treatment.

For early detection cases, you can soak the fish in a separate saltwater tank. You can mix saltwater with a concentration of 15-30g per liter of water, with this recipe you should soak the fish for 15-30 minutes.

Mycosis and oral thrush

The disease usually occurs in the mouth and is manifested by the nodules, this disease is caused by a bacterium called Chondrococcus. When your fish has this disease, you should not use antifungal drugs but use some antibiotics, which you can buy at veterinary pharmacies.

Vibration disease

In common diseases in aquarium fish, the disease does not have clear signs like other diseases. We can only detect if we observe closely the swimming behavior of the fish, the fish with tremor often make fast drinking motion in place without moving.

This is also the reason that many people call them twisted disease. The main reason for this is the abnormally low water temperature, which makes the aquarium fish cold.

All you need to do now is adjust the temperature of the environment suitable for the aquarium. Please check if the heater in your aquarium is working properly.

Edema disease

Once the fish’s immune system is depleted by stress, they can easily leak water. Edema disease is common in aquatic habitats. For people who do not have much experience with fish farming, it is sometimes difficult to recognize the signs of disease.

Edema often presents as a swollen abdomen, body, skin lesions, protruding eyes, pale gills, ulcers, lethargy, apathy, and the fish may stop eating and drop close to the bottom or breathe. Gasping for air at the top of the tank and signs of unbalanced swimming.

Aquarium disease is a very difficult disease to treat, some hobbyists have considered giving these fish a quiet death to avoid spreading the disease to other healthy fish in the tank. If edema is resolved early, it is possible to save the fish in the tank.

Move the fish into different tanks, add 1 teaspoon of salt per liter of water, feed the fish with high-quality foods, and treat with antibiotics. Keep these separate tanks clean for several weeks. A good antibiotic used to treat edema is Maracyn-Two.

To prevent edema, you will need to maintain the appropriate environmental conditions in your tank. Do not keep too many fishes in one tank, keep good quality filters for the tank to clean the water in the tank, do not overfeed the fish, and make frequent water changes.

Body Flukes

The body of tiny parasites like worms can get into the skin, gills, and other parts of the fish’s body. They are known as Gill flukes and Skin flukes are two parasites in the fluke family.

You may notice that your fish are scratching in the tank, there are mucus or slime layers on the gills or body, hurting, small blood spots, fast-moving gills, fins, or gills into the tank walls, red. Skin, fish discoloration or pale color, rapid respiration.

Your fish may show signs of coma, swim continuously, breathe on the surface, or move slowly.

The cause of the disease is poor water conditions, overload, incompatibility of different fish species, and stress.

You can treat it quickly with antibiotics that are important or an outbreak can spread and affect all fish species in your tank.

Treating fish in tanks with Droncit (Praziquantel) 2 Mg / L or brobonol drugs are special medicines to treat helminths until all tapeworms and eggs are destroyed. Flukes can be removed from the body with formalin, salt (3%), or a bath of ammonium hydroxide.

To prevent ornamental fish infected with helminths, quarantine all new fish before putting them in your tank. Avoid using raw foods that may contain tapeworms.

General precautions

Buy healthy, fresh quarantined fish, keep water parameters and environmental conditions stable.

You should not buy aquarium fish showing signs of stress and disease. When choosing a fish to buy, take some time to make sure the other fish in the aquarium are healthy.

It is best to keep all new species in another tank isolated for 2 weeks to ensure that the fish you just bought will not carry parasites and contaminate your existing tank.

If you buy a new tank, make sure they are clean before putting in your aquarium. Move and release the fish gently to the minimum to reduce stress.

Avoid strong water changes, keeping the tank clean, and the water parameters stable. Feed your fish a healthy diet and do not feed in overcrowded quantities.

2 thoughts on “Common Fish Diseases – Signs And Treatments”

  1. Bear in mind that if the mucus covers the fish’s gills, they can suffocate. Stress can be increased by poor water conditions, overcrowding or sudden changes in temperature. If you notice the symptoms, you should check your water for pH levels and perform a 30 to 50 per cent water change. Definitely remove your activated carbon before adding any treatments, such as Furan 2 or Melafix. Use aquarium salt with caution. Preventing this disease relies on you maintaining healthy water, avoiding overcrowding and checking your fish for signs of stress.

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