If any of the following betta fish illnesses describe the symptoms that your fish is exhibiting, then you may want to read up on how to diagnose and treat these betta fish illnesses before it is too late.
Fungal Infection - Your betta develops white patches on its head or on its body.
It is relatively docile, does not display an appetite for food, and there is overall a generally pale discoloration of its scales.
Tail / Fin Rot - Your betta's tail and / or fins appear to be deteriorating or falling apart.
He may exhibit behavioral changes.
In other words, he may still be active and appear to eat normally, or he may demonstrate a loss of appetite and behave more lethargically than before.
Ick - Your betta has developed white dots all over the body, head, and eyes.
It may be docile, lethargic, and lack interest in food.
You may see your betta darting about, scratching itself against rocks or plants to relieve the itchiness.
Ick is typically the result of parasites found in live frozen foods.
Popeye - A bacterial infection in which your betta's eyes become enlarged.
This due to unclean water.
Dropsy - A bacterial infection transmitted through eating live worms.
Your fish's scales will stand up, and your fish will look like a pine cone, while its underbelly may be bloated.
Swim Bladder Disorder - Your betta fish is having difficulty maintain balance and swimming properly, due to a bloated swim bladder.
This is typically caused by overfeeding.