Bubble on hammer coral?

[Miklo_Miklo12]

Hi I was wondering if any one knows what this bubble in the center of my hammer coral means? This is a night time pic so the coral is retracted

 

[Miklo_Miklo12]

And one of my torches is doing the same thing.

 

[James M]

Usually an indication that the head is going to split

 

[Miklo_Miklo12]

Usually an indication that the head is going to split

Thanks!

 

[James_O]

Usually an indication that the head is going to split

I concur.

My shroom was doing that last night, so I hope he’s about to split!

 

[Miklo_Miklo12]

Just a update on the torch coral. Night time pic so it’s retracted.

 

[Cjeippert]

My branching hammers and torches do that as well. They are healthy but always wondered if it was like a bacteria infection or something. Thanks to R2R I now know!