What is this?

[5280Reefer]

Found a few in my sump they look like worms are kinda fast and white

 

[5280Reefer]

And I know I have flatworms.... they are the algae eating type and are food for my yellow Coris

 

[vetteguy53081]

Polychaete worm. Harmless and are herbivores that favor sumps.

 

[reef lover]

Specifically i think dorvellidaes.

 

[KJ]

^^^ Agree!