Clown aggression

[saj01c]

I have had a few type of clown and they all seem pretty aggressive once the anemone has been added.
I’m trying to find the least aggressive clown fish.
I now have an onyx clown that is about 8.
She will attack anything new in the tank.

 

[Old Fritz]

You generally want to add your clowns at the same time and typically only two unless you plan on adding a lot of clowns. If you already have an established female adding a Male is difficult