What are these.

[WalkerLovesTheOcean]

Hey everyone, I just found these on my glass cleaner thing, and after looking on the rocks they are everywhere.

I did have 2 micro feather dusters, and 2 more have appeared in the sand.

My thought is these are all micro feather dusters?!?

If you zoom in on the picture you can see them better.

 

[ISpeakForTheSeas]

Yeah, the little, white spirals are Spirorbid worms (a kind of feather duster worm) - harmless filter feeders.