[BoomerD]

None of the large angels will do well long term in a 90, but most may do ok for a year or 2 if you get them small enough. My concern would be your bio-load. You already have a ton of fish in the tank, (probably much more than you should), and adding an angelfish will only make that worse. Some of the fish you have are considered messy eaters, and that can really drive up the bio-load and nitrates, especially since you most likely don't have much of a clean up crew in there with those predators.