|Temperament: ||Territorial; Peaceful with non-cichlid ,non territorial species. May consume smaller tetras,guppies and similar or fry when fully adult.|
Angels while needing roomy aquaria with some height, do not need massive open expanses of water, their entire body shape is designed to live among vertical surfaces, reedy areas and among large leaved plants like the various echinodorus species. Keeping them with these kinds of cover often reduces shyness, keeps territoriality in check by providing visual barriers and as angels value vertical territory and often adopt large plants as their primary home territory, you can diffuse a lot of aggression by stratifying the tank so that the angels cannot see from one end to the other. It also encourages breeding.
In large shoals of 6 or more fish, angels are often relaxed and sedate, with the aggression from both sexes easily dispersed into the group, meaning no particular individual is persecuted. Perfect pairs are of course desireable, but introductions of new fish often do not go well when shoal numbers are already low. It can be difficult to establish a pair, and odd nubers of fish like 3's and 5's often result in the death via persecution of at least one animal.Adults often do not permit younger specimens near them unless a decent period of introduction in a heavily decorated tank has been performed.
Basically given enough large vertical structure from large leaved plants angels can often live more peacefully.This is a fish who's temperament is highly variably from individual to individual, but can, when properly managed with thoughtful keeping,considerate of their natural instincts, be entirely manageable