ID PLEASE
 

http://i1217.photobucket.com/albums/...s991/image.jpgGood or Bad

http://img202.imageshack.us/i/imagelbg.jpg/

Pseudocorynactis. They're harmless

corynactis anemone

they're not very harmful, and don't spread like aptaisa, up to you really. They apparently group up, so might be an interesting colony,

ball anemone?

There's is about five to ten on a isolated rock. If there not bad I'll let them live

On a side note, they're not actually anemones. They're corallimorphs, like mushrooms or rics.

Man is right, check out:

http://www.advancedaquarist.com/2002/10/inverts

Very cool