ID please

[viodea]

I notice there are increasing number of this critter in my tank. Sorry for the pore quality picture.

 

[renogaw]

looks like a flatworm

 

[viodea]

How do I remove them? physically suck them out?

 

[viodea]

After reading more... it's called Acoel flatworm. I'll try to siphon them out.

 

[Homereef]

They eat copepods and are otherwise harmless and nevr go through a poplulation expload.
It is fun to watch them hunt.

 

[viodea]

I've read they cover corals and eventually kill them by shielding light of them... and they make everything look bad by covering them.
Is that true? If they are truly harmless, I'll leave them alone. They are neat to watch.