There are many diseases that can affect your aquarium fish and once your tank is infected, there’s a good change that all your fish can get sick. Luckily, keeping a disease free tank is not that hard. Most disease is a result of poor water quality so not overcrowding your tank and keeping a regular maintenance schedule is a must.
Most aquarium disease can be avoided by making sure your aquarium water is healthy. If disease does break out, doing a water change and treating the water for the particular disease is the best way to nip it in the bud. If you don’t do these two things your tank is a disaster waiting to happen.
Neglecting the appropriate tank maintenance and partial water changes will allow toxins to build up in the water, basically polluting your fish’s environment. As the water becomes more toxic your fish become more “stressed”, the more stressed your fish becomes the easier it is for the micro organisms present in your aquarium water to infect your fish with various diseases.
I addition to insuring your aquarium has good water quality, you should also keep an eye on your fish each day so that you can be alerted to any signs of stress right away and take the appropriate action.
So how do you tell if your tropical fish are stressed?
Tropical fish don’t react the same way to stress as people do, but there are some tell tale signs you can be on the look out for. Some things to look for include; fish rubbing themselves against the gravel or aquarium d