What is this?

[link81]

Small brown worm like thing. Moving very slow on glass.no shell or legs that I can discern. Only thing in tank is rock, snails, sand and a handful of zoanthids.

 

[Mayerlyn A]

Flatworm possibly, I'll let the experts chime in.

 

[link81]

ugg,
i can't view it in the browser.
i'll upload it to youtube and embed it when i get home, sorry.

 

[MombasaLionfish]

Yep that is a flatworm.