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Common Freshwater Fish Diseases

Aquarists need to be aware of the symptoms, diseases and remedies for the most common fish maladies.

By Jeffrey C. Howe |

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You walk by your aquarium, and something catches your eye. You stop and turn to take a closer look — something doesn’t look right. Upon closer examination, you see that a fish is not behaving normally, or there are external signs of disease. If you have been keeping fish for any length of time, you have experienced a similar scenario. Common signs of possible disease that an aquarist might cue into are as follows.

Altered or decreased activity. These are common signs of disease, but they are not specific to one disease and may be seen with poor water quality, various infectious diseases and many other problems.

Clamped fins. This is a nonspecific sign that can be seen with a variety of diseases.

Want to read the full story? Pick up the September 2011 issue of Aquarium Fish International today.

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