Weird black spot??

[Jaybella8]

so theres this weird black hole in the middle of the coral that formed, it looks like a ciggerrate burn lol. Does anyone know what that is?

 

[Tangina20]

Maybe a polyp died or is that just the live rock maybe?

 

[Lovemyreef2015]

Need a better picture with white lights. I can't see anything

 

[Jaybella8]

Need a better picture with white lights. I can't see anything

 

[Jaybella8]

Do you know what kind of coral this is?

 

[Lovemyreef2015]

Possibly a goniopora frag, the black hole looks like die off

 

[reef lover]

Yup goni and that looks like skeleton.