How can I tell what disease my fish has?

Is My Fish Sick?

  • Tattered fins, tail. Skin sores.
  • Fuzzy spots on skin, mouth. Bacterial infection (Flavobacterium)
  • Bumpy growths on skin, fins. Carp Pox.
  • White “pimples” on skin, fins.
  • Cotton-like “hair” on fish, eggs, uneaten food.
  • Increased gill movements.
  • White speckles on body, fins.
  • Golden speckles on skin.

How do you cure columnaris?

Treatment. External infections should be treated with antibiotics, chemicals in the water, or both. 1 Copper sulfate, Acriflavine, Furan, and Terramycin may all be used in the water to treat columnaris. Terramycin has proven to be quite effective both as a bath, and when used to treat foods for internal infections.

How is velvet disease treated?


  1. Raise water temperature.
  2. Dim lights for several days.
  3. Add aquarium salt.
  4. Treat with copper sulfate for ten days.
  5. Discontinue carbon filtration during treatment.

Does Maracyn treat fungus?

It was developed for complete but gradual dissolution in water. It is primarily effective against gram-positive pathogenic organisms. Provides relief from bacterial infections such as body fungus, bacterial gill disease and popeye.

How do you tell if your fish has a fungal infection?

How to treat Fungus and Bacteria in aquarium fish

  1. Blood streaked fins.
  2. Frayed, tattered, ragged, split and ‘fluffy’ fins.
  3. Head and mouth regions eroded or rotting covered with white cotton wool like growths.
  4. Off white cotton-wool like tufts develop around the mouth fins and on the body.

What does fish fungus look like?

True fungal infections in fish are less common than parasites or bacteria. They typically appear as white cottony or “furry” growths on fish but can also be internal. They can be induced by substandard water quality, infected food or open wounds, but there are many other causes.

How long does it take for columnaris to go away?

The bacteria can persist in water for up to 32 days when the hardness is 50 ppm or more.

What kills Velvet in fish?

Additional, common medications added directly to the fish’s environment include copper sulfate, methylene blue, formalin, malachite green and acriflavin, all of which can be found in common fish medications designed specifically to combat this disease.

How long does velvet disease last?

1 Typically these cells can survive seven to eight days without a host, but in lower tank temperatures at around 75-80 degrees, some strains may last up to 30+ days.