Originally Posted by
sepulatian
Ocellaris are the least aggressive clowns. They are all in the damsel family and are all aggressive to some extent. If you are worried then get a single clown. A single ocellaris will be the most docile IMO.
My pair of ocellaris clowns basically rule the tank they're currently in because they were the first. IMO, if you want to go with a pair, add them last, unless you plan on adding another, even more aggressive fish, then add that one absolutely last, but add the pair of clowns next to last.