Tiny white dots.

[Kanshi]

So this morning looking at my tank all was good. Tonight I look in and see many of these white round things all over my glass. Most are the size of a pin head. Tried scrapping one off with the tip of a skewer and couldn't.
Any help would be great.
Thanks

 

[myinvalidname]

It’s hard to see from the pictures. But I’m guessing they’re copepods. If they are you should be about to move them. If they are really stuck on the glass then they’re likely Spirorbid worms. Either way they are harmless. The spirobid worms are filter feeders. And the pods eat detritus.