Flatworm ID help

[Dfost]

Just noticed a few of these popping up in my tank i can’t really tell what kind they are and what’s the best method removing?

 

[Crabs McJones]

Possibly a type of acoel flatworm. I think certain types of wrasses eat them

 

[Dfost]

Possibly a type of acoel flatworm. I think certain types of wrasses eat them

Thank you