Never had a bit of trouble with my Coral Beauty (Centropyge bispinosus) - no sign of aggression against any other creature (inverts or corals) - (if you are some kind of "algae" -
"look out"

*
Just about all my fish from link Nautilus posted above (
Saltwaterfish.com)
May be a factor of getting young, along with other fish and establishing eating habits early...also make sure there is always a plentiful algae source for her...I never clean back wall of tank as to leave a "picnic" area for tank algae eaters, snails, tangs, etc...
FWIW
OmarD
PS: *if noone has "noticed" - I like taking and posting pics of *my critters, as much as I like talking about them...
Here are a couple of other "critters" about, that I am equally as fond (and "proud"

of...