Sometimes, your freshwater fish will get sick. There are many reasons for sickness in your aquarium, but the most important thing is to diagnose the disease and get your fish healthy again.
Here is a chart that shows you what kind of disease your fish may have and possible treatments:
Now that you know what your fish may have or, just as important, what your fish many not have, you can find a treatment. Getting your fish healthy again will provide for a much happier tank!