natural predators

does anybody know of any natural predator for majano anemone and had any success with it? peppermint shrimp? The lfs doesnt have joe's juice or aptasia x ..i tried the kalk method...injected so many of them last night and this morning ...they were back..it would be so much easier to get...

I am new to this hobby and have a 25 gallon reef tank. I recently noticed some bristle worms (which don't seem to be too much of a problem as they are small) and TONS of little white star fish that I have identified as Astrea. These things are munching on all of my star pollups and I don't know...