Noticed a weird circle on my oscar

womenroom 0 4

Noticed a weird circle on my oscar

Noticed a weird circle on my oscar

Near the head there seems to be a weird circle, maybe parasitic? Have him and a pleco in a 120gallon so not heavily stocked either - regular water changes and water seems to be alright, just wondering what this is and whats the fix?

Could it be from hurting himself on the driftwood/rocks?

submitted by /u/le_chaim to r/Aquariums
[link] [comments]