Never see this before any help with what this is?

[Salty_Northerner]

Any idea what this is? I just got a frag today and not sure what it is.

The coral is a red monti

 

[Reefing102]

Could be a type of coral boring worm

 

[Brandont21]

Almost looks like a micro brittle star leg

 

[Salty_Northerner]

Could be a type of coral boring worm

A dab of glue be ok to lock it away?

 

[Salty_Northerner]

Almost looks like a micro brittle star leg

Nope I just checked, its from within the skeleton.

 

[Salty_Northerner]

I found a thread what it is (was) a worm and my frag is now 2 frags minus the burrowing worm