<a href=showthread.php?s=&postid=6538228#post6538228 target=_blank>Originally posted</a> by Amphiprion
If it were me, I would probably add the flame first. There will probably be some intitial fighting simply because they are direct competitors for the same food source--algae. Although the angel can get aggressive, IME, yellow tangs tend to be a bit more so on average.