What is this worm?

[DanBeck]

Hello everyone,
I hope you are all having a good day so far.

I found this worm in my tank recently.
I thought it might be a spaghetti worm, but I have a few of those and they never come out of the sand bed.
Please can you help me identify this.
I have attached a link to a video of this worm as well:

 

[ChiCity]

it’s a spaghetti…
they come out and crawl on the glass when they’re breeding

 

[DanBeck]

it’s a spaghetti…
they come out and crawl on the glass when they’re breeding

Thanks for the info!

 

[Ordovician_Reef]

Good things to have!

 

[Reefanonymous]

Can anyone identify this work for me? thank you