The Planted Tank Forum - View Single Post - Betta w/ swollen mouth, weird eye
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post #6 of (permalink) Old 11-27-2012, 12:33 AM
Planted Tank Guru
Join Date: Feb 2009
Location: DC area
Posts: 3,053
It could be the start of columnaris, aka cotton mouth disease. I've not seen the mouth swell up like that before but it does look like he is getting a cottony growth around his mouth.
wendyjo is offline  
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