What kind of worm is this?

[Marc2952]

I checked when the lights turned off to see the little critters in my tank and noticed theres this worm crawling on the glass its hard to get a good view since its on my phone. I started seeing much more pods and other creatures since im feeding phytoplankton and keeping nutrients high due to dinos.

 

[KJ]

Dorvilleidae.

 

[Marc2952]

Dorvilleidae.

Just checked what it is and its a good critter so im happy thanks!