Goldfish, if cared properly by maintaining the tank water, can end up living for many years. But, most of the time they fall sick due to lack of care and, therefore, fall prey to number of diseases and also jeopardize the health of other fish in the aquarium.
In order to prevent spread of disease, you have to identify first that your fish is sick or not. The most effective way of identifying the fish is sick or not is by observing them closely each day. It should be your daily job. Once you watch them regularly, you will understand their behavior any deviation from the normal routine could be a cause of concern. If you have successfully identified that your fish is sick in someway your half worries are over because most of the aquatic diseases are treatable.
There is one common disease that mostly affects goldfish is Ichtyopthirius which is normally termed as Ich. You can identify this disease if you notice tiny little fuzzies on the scales. Sometimes these go undetected because from far they either appear as a bubble or something gentle. Iches are parasites in reality that tend to live away from the fish. If they mange to enter the fish tank some how, then they can harm the entire aquatic life.
You should be careful when you buy a new fish. Check its body thoroughly for such infections. Also, it is essential to inspect the fish tank water on a regular basis.
One more common goldfish disease is the fin rot or the tail rot. This disease occurs due to bacterial infection in an already injured site. Once the bacterial infection begins, it gradually consumes all the tissues leading to death.
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