I have had my Betta for almost two years, and about 4 weeks ago, I noticed a small lump on his face. It has grown quite rapidly. It seems to be affecting the way he swims and his balance, and it looks like it starting to cover his mouth. We just got done with a round of kanaplex to see if maybe it was an infection, and no change. My questions are…. Does this look like a tumor or something else? At what point do I consider euthanization? I apologize for the quality of the pictures….. And thank you for your help!
The second picture is the best I could do to show what I mean when I say it's covering his mouth.
https://www.reddit.com/gallery/1r87ue6
Posted by StrongEvidence6995