Friend or foe??

[T-J]

Acclimating these frags and noticed this guy on the plug. I’m thinking harmless tube worm but want some more opinions.
White tube. Something was sticking out a bit.

 

[Crabs McJones]

Tube worms, harmless filter feeders.

 

[Uncle99]

I have learned to take no risks, one mans harmless is another mans pest.
Is no prob in this case though,