Angelfish requirements are somewhat minimal.  They have a life span from 3-5 years in an aquarium.  Below are some basic guidelines that will assist you in raising in enjoying your angelfish whether they are housed in a community aquarium or alone.

• The ideal temperature is around 75 degrees, although the temperature should be increased to 80 to 82 degrees to stimulate breeding conditions.
• Live or plastic plants can be used.  Angelfish prefer Amazon swords or Giant Sagittaria.  Remember to leave plenty of room to swim as angelfish have a wide wingspan.
• Angelfish can be fed a wide variety of dry foods.  Preferred foods include live or frozen brine shrimp, Daphnia, and mosquito larvae.  Frozen versions of these are available which remain as nutritional in their freeze dried state.
• Suitable companions for angelfish include are large swordtails, thick-lipped gourami, kissing gourami, large mollies and fishes of similar nature.  Corydoras catfishes and Loricaria are also excellent choices to help clean up uneaten food and aid in growth of algae. 

The Guide to Owning Angelfish by Braz Walker and Dr. Herbert R. Axelrod is an excellent source book.