- Originating from the Amazon, Orinoco, and Essequibo rivers in South America, the angelfish has become one of the more popular cichlids because of its unique, elegant appearance, inquisitive nature, and mild-mannered disposition.

- Also called Oscar, tiger oscar, velvet cichlid, or marble cichlid, the oscar fish comes from South Americaand have even been considered food fish. Hardy and tough, they can tolerate a wide range of water conditions and high toxin levels. This fast-growing fish (it can grow beyond 18 inches) will eat a range of food, including pellets, live food, and flakes. Make sure you feed themenough live food so they stay healthy and their colors stay bright.