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Cotton Mouth Disease in Fish – How to deal With It

  Cotton Mouth disease in fish, also known as Columnaris, is a bacterial disease your fish can get. And it needs to be dealt with quickly. Cotton Mouth disease is not as common as the white spot disease, but, it is highly infectious and contagious.   Let's dive right in.   Dealing with Cotton Mouth Disease in FishThe infected fish shows a whitish sheen around the cheeks and lips. The lips may become swollen and rot away. Sometimes a rotten strip of lip attached only at one end will move in and out of the mouth as the fish breathes. Fish infected with Columnaris lose their appetite and their movement becomes sluggish. If no adequate treatment is given for Cotton...

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