Hello, my tank has been running for a year now. I added 4 clowns as one of my first fish. After all this time they still stay in their little group. I have 3 bulb tipped anemones but the 4 of them switch from one to the other all together. They are truly entertaining. I even had one lay eggs a couple of weeks ago and they all guarded the eggs as if they belonged to all of them.