Clown knife with white scratches

[Devzev]

Unsure if fungal or other disease. Or of got scratched from tank decor or another fish
I have 3 clown knifes in a grow out 55 gallon. Water params are good
Tankmates are 2 small oscars ,small common pleco small delhezi, and some small silver dollars


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[Devzev]

Seems to be the only one in tank with the white marks


Sent from my iPhone using MonsterAquariaNetwork app