Angels also thrive in planted tanks with pots e.t.c, due to the fact that Angels tend to lay their eggs on smooth surfaces.
Piscivores, they can survive on flakes and granules but it is recommended to supply them a variety of foods. They can take a variety of live foods from Brine shrimp, black worms, mosquito larvae. They can also take frozen foods like blood worms and frozen Brine Shrimp.
Also in the wild Angels are predatory fishes, they can also take small fishes and small fry.