White fuzzy id please?

[wilecyote007]

Was looking in my live rock holes and noticed these white fuzzy worm looking things. They are everywhere in the holes only. They dont seem to move or anything though.

 

[nemo1017]

I'm going to say pineapple sponge, they are beneficial.

 

[JaimeAdams]

I agree, pineapple sponge!

 

[wilecyote007]

Thank yall so much! I was terrified it was something about to wipe my tank out.