[BadFish]

I picked up 8 cardinals a week ago. 2 of them seem to have protruding lower lips/underbite, or possibly a small growth on their lip. I can't get a photo. They seem to be acting fine and eating. Is this a common deformity for tetras or would it be some sort of fungus?

 

[CRS Fan]

Sounds like a bump (into glass sides). Cardinals are almost all wild-caught, so a mutual deformity is highly unlikely. I would suggest an Aloe Vera based product should be good enough (Stress Zyme comes to mind).

Best regards,

Stuart


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[BadFish]

I may have some stress zyme in the back of the cabinet somewhere. Ill give it a try. Thanks