Circle or crescent spots on Foxface
More like half moon top & bottom. Consitant size & shape about the size of an eraser on a pencil. When fish is dark the spots show light, when fish is light the spots show dark! Spots only on the right side of the Foxface...none on the left??????? Looks like bite or suction?? marks. No predator fish in the tank. Largest fish is just his buddy a Sailfin. Any ideas?
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