Is this thing good/bad?

[hostiledriftcrew]

Its growing in my cheato in my sump. Is it good/bad!

 

[Katrina71]

I'm brand new. Anemone?

 

[Chiefmaster30]

I believe it is a jewel anenome! Not as bad as an aptasia but not good either.

 

[Carlos Danger]

The good news is they don't spread like the other pests and are slow growing. I've had a few and haven't really messed with anything.