Need help indetifying what is on my tang

[Aeb1419]

Anyone know what this is??

 

[mrehfeld]

If you get no response try Humble.Fish & Reef Community

 

[Humblefish]

Maybe a small puncture wound. How is the fish looking today?

 

[Aeb1419]

Hey. He seems fine. Swimming about picking the rocks and eating normally. I suspect it was my agressive clownfish. I banned him to the sump and everyone seems more peaceful now.