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What are common illnesses of aquarium fish?

What are common illnesses of aquarium fish?

Here’s an alphabetical listing of the most common issues and diseases that can affect fish and their environments:

  • Ammonia poisoning. High levels of ammonia can buildup in your fish tank.
  • Columnaris.
  • Fin Rot.
  • Ich.
  • Nitrite poisoning.
  • Velvet.

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.

What are 4 signs of disease in fish?

Clinical Signs of Sick Fish

  • Changes in coloration.
  • Bumps/lumps.
  • Asymmetrical body shape.
  • Misshapen fins.
  • Wounds.
  • Ulcers.
  • Etc, etc etc.

How do you treat aquarium fish disease?

Effective treatments include levamisole, metronidazole or praziquantel. Metronidazole and praziquantel are especially effective when used as food soaks. Antibiotics such as nitrofurazone or erythromycin may also help prevent secondary bacterial infections.

What are the bacterial diseases in fish?

Commonly known bacterial infections occurring in freshwater fish

  • Aeromonas infections.
  • Pseudomonas infections.
  • Flavobacterium infections.
  • Acinetobacter infections.
  • Shewanella putrefaciens infections.
  • Fish infection with Gram-positive bacteria.

How many fish diseases are there?

Viral diseases for fish There are more than 125 different viruses have been identified in fish around the globe and new viruses are being discovered every new date.

What are common illnesses of aquarium fish and how do you diagnose them?


Disease Cause Fish Affected
Piscine Tuberculosis Mycobacterium marinum bacteria All
Fin Rot Bacterial All
Mouth Fungus or Columnaris Flexibacter bacteria All, especially Livebearers
Swim Bladder Disease May be bacterial, or caused by chilling or digestive issues All, especially Balloon Mollies

What are the major causes of fish diseases?

Fish diseases are caused by a wide range of infectious organisms, including viruses, bacteria, fungi, protozoan and metazoan parasites.

Which is bacterial disease in aquarium fish?

Bacterial Disease Most bacterial infections are caused by Gram-negative organisms including the genera Aeromonas, Citrobacter, Edwardsiella, Flavobacterium, Pseudomonas, and Vibrio. Aeromonas is more commonly a pathogen in freshwater fish, whereas Vibrio usually affects marine fish.

What is the most common disease in fish?

Fungal infections are one of the most common disorders for fish. Fungal spores naturally populate fish tanks, but sick, stressed or injured fish can cause a dangerous increase. These infections manifest as a white cotton-wool-like growth on the skin, mouth, fins or gills.

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