What Are Fish Tail Disease? Causes and Symptoms

April 21, 2011 | Fish Health | Leave a Comment |

Fish Tail Disease

Anyone taking care of fishes in an aquarium should always watch out for signs of ailments in their pets.

There are many diseases which affects the fishes that are always important to identify so that it does spread to the whole tank or other fishes.

Fish Tail Disease

  • One of the most common ailments that affect most aquarium fish species is the fish tail or fin rot disease.
  • This ailment is caused by bacteria, fungi, and other parasites in the tank.
  • Often, the bacteria and microorganisms are already present in the tank. The disease is often triggered by stress and dirty environment in the tank.
  • The symptoms of fin and tail rot are very obvious. The tail and fins will have a frayed look, with streaks of white, pink, grey, or red. The affected areas will also have a lighter or darker color than the unaffected tail.
  • The fraying will also be uneven ??” as opposed to the even clean eroded portions due to chemical changes in the water.

Betta Fish Tail Disease

  • Betta fish have long and very nice tails that are actually make them more susceptible to fish tail and fin rot disease.
  • The symptoms of the disease are also more pronounced in the betta fish. What’s more, the fish is also among the fishes easily affected by the disease.
  • To treat the disease, all the affected fishes should be isolated from the healthy fishes in the tank.
  • Aquarium salt should be added into the tanks.
  • Medicated food, antibiotics, and other medications are added into the tank with the sick fishes.
  • The water temperature should be raised to and kept at 80 °F to hasten the healing process.
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Betta Fish Health Problems

Betta fish are characterized by long and brightly colored tails and fins. They do not go along with other fishes because of their territorial nature. There are some health problems that owners of betta fish should watch out for. Here are some of the health problems that could affect betta fish:.


  • Diseases brought about by bacteria.

o    Of all the diseases that are caused by bacteria, fin and tail rot diseases are among the most common that target betta fishes. This could be due to the fact that these fishes have very long and pronounced fins and tails.

o    Bacteria could also easily make betta fish have a bloated stomach, lack of interest in food, and lethargic.

  • Diseases brought about by fungi.
  • Ich can also seriously harm betta fish.

Betta Fish Health Issues

  • Excess food will make them have bloated stomachs. The unconsumed food could also decay in the tank and become breeding grounds for bacteria and other microorganisms.
  • Betta fish should not be kept along with other fishes, especially fin and tail biters such as tetras.

Keeping Betta Fish Healthy

  • Betta fish are happy with isolation. This keeps them healthy and happy. Still, it is good to make sure that the individual tanks are large enough for them to move around. Also, a larger tank will help ensure that the water conditions are optimal and stable for prolonged periods of time.
  • Do not overfeed betta fish.
  • Watch out for signs of ailments. Treat all sick bettas as soon as possible.

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