A worm living in GSP

[Qasim]

hello, it has been few days I have noticed a worm living within my Green star polyps coral and It is coming out in dark mostly. I have managed to get a photo of it. I would Highly appreciate if someone could identify and let me know if it is ok to be out there in the tank.

Thanks.

 

[ReeferMaddness843]

Looks like a peanut worm to me. I have no problems with them personally. Just more diversity in the tank.

 

[DSC reef]

Looks like the smaller species phascolion. Good part of the cuc