External bacterial infection (fish)
Encyclopedia

Symptoms

There are a great deal of possible symptom
Symptom
A symptom is a departure from normal function or feeling which is noticed by a patient, indicating the presence of disease or abnormality...

s associated with this disorder. There may be spots on the body which appear red or orange. Watch for red streaks on the surface on the body. Dropsy (bloating) is also a sign of a bacterial disorder. "False fungal infections" look like fungus
Fungus
A fungus is a member of a large group of eukaryotic organisms that includes microorganisms such as yeasts and molds , as well as the more familiar mushrooms. These organisms are classified as a kingdom, Fungi, which is separate from plants, animals, and bacteria...

 but is actually a bacterial infection known as Columnaris
Columnaris
Columnaris is a symptom of disease in fish which results from an infection caused by the gram negative, aerobic, rod shaped bacterium Flavobacterium columnare. It was previously known by the names of bacillus columnaris, chondrococcus columnaris, cytophaga columnaris and flexibacter columnaris...

. These symptoms may include a white or gray film on the body. Treatment: There are a number of effective treatments for many stains of bacterial infections. Three of the most common are tetracycline, penicillin
Penicillin
Penicillin is a group of antibiotics derived from Penicillium fungi. They include penicillin G, procaine penicillin, benzathine penicillin, and penicillin V....

 and naladixic acid. Salt baths are another effective treatment.

Information

Bacterial infections are often difficult to diagnose
Diagnosis
Diagnosis is the identification of the nature and cause of anything. Diagnosis is used in many different disciplines with variations in the use of logics, analytics, and experience to determine the cause and effect relationships...

due to the many different types. Orange or red streaks on the body is usually the only fool-proof method for the determination of a bacterial infection.
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