Did you know that your tropical fish can get sick just like you can? They don’t share the same illnesses that we have, of course but when your fish gets sick he feels just as bad as you do when your sick.
What Makes Aquarium Fish Sick?
Interestingly enough, the most frequent cause is stress! Just like you, your tropical fish’s immune system is repressed when he is under a lot of stress. As a result, it’s rather easy for a fish to fall ill from the many forms of bacteria it swims around in - bacteria that would otherwise have no effect if the fish were relaxed and happy.
What Makes Your Fish Stressed Out?
While you might not think of a tropical fish as prone to stress, they are. Introducing them to a new tank, adding more fish or even adding decorative objects can be sources of stress. That’s why there are so many procedures in preparing a fish tank, adding something new or moving fish to a new location. Another thing that can cause stress is poor water quality, which is why the proper maintenance is key. All those procedures are designed to reduce stress and consequently, illness.
Signs That Your Fish Is Sick
One key sign is that your fish may seem a bit listless and not his usual self. Other signs are forced breathing, staying in one section of an aquarium for long periods of time, or even swimming into things as if it was having sight problems.
Giving Your Fish Better Health
One way to reduce illness is to reduce the stress on your fish. You must do periodic water changes and make sure to feed your fish the appropriate food - also do not overcrowd the tank as this is another cause of stress for your fish. You can also try to figure out what stressed out your fish by watching their behavior when you introduce new things into the tank. Perhaps that new plant isn’t good for them? Or maybe a new fish or piece of decor just tips the balance too much.
If you can provide a habitat that is closest to the fish’s natural environment this will be the least stressful for them. If you can make your aquarium an optimum home for your fish, they will reward you with vibrant colors and many years of enjoyment.

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