More critter ID help

[Rscott]

What are all these little coiled up white things?
I found MEN in my tank last night
Is this what they start out as?

This is the bottom of a monti frag

 

[Turnage]

I forgot what they are called but they are good for the tank. They are filter feeding worms and are a sign of a tank with good water parameters.

 

[Rscott]

Found it
Thanks for the clue it lead me to this

How to Get of Spirorbid Worms Infestation?

Hi all, The amount of spirorbid worms in my tank is out of control. They have completely covered ALL the live rock, the back glass, and it's starting to grow in the sump creating a mess. It started about a month ago and it's significantly ramping up. I've read most of the threads...

www.reef2reef.com

 

[AdamB]

What are all these little coiled up white things?
I found MEN in my tank last night
Is this what they start out as?

This is the bottom of a monti frag

Spionid worm they age harmless ..