Is my scollymia ok?

[Gadsby15]

Ive noticed a chunk missing in my scolly, it still feeds well but not why this is happening?

All lps and sps growing and looking good

Any help please???

 

[Tab28]

Looks like a wound or receding. Scolly are hardy if all parameters are fine and eating it will repair itself. Keep water perimeters stable, keep it in low light and flow.