I need to know as much as you guys can tell me about angelfish. Can They be kept in groups of 6 or more? Can they be kept with all kinds of diff fish and can they be with plants, can they be kept in a 10 gallon heavily planted tank?? So i need to know as much as everyone can give me about these fish. Thanks!!! Can they be kepy with inverts like shrimp and snails and other inverts??