Wonder what this damage is?

[JMM744]

Tried super glue to stop the spread but I think it was already past that area. Hard to pull coral unless I cut it in pieces. The damage is slowly spreading . No other coral shows this. Is it bugs or bacteria?
thanks,
Jim

 

[DaneGer21]

What are we even talking about here?

 

[MurphyTheClownfish]

What are we even talking about here?

Wonderful question lol

 

[PeterC99]

Tried super glue to stop the spread but I think it was already past that area. Hard to pull coral unless I cut it in pieces. The damage is slowly spreading . No other coral shows this. Is it bugs or bacteria?
thanks,
Jim

Can you post some pics???

 

[r20crazy]

ninjas?

 

[MNFish]

My guess is RTN.

ninjas?

 

[JMM744]

Sorry, forgot to upload the pics. That's embarrassing!