What are the predators of cichlids?

Guppies are best kept too themselves, because they are so small they are food for just about anything you put in your tank, never forget, big fish eat little fish in the tank as well as out of the tank. Pretty much anything that eats fish will eat a guppy. They are slow and colourful with long fins, so tend to attract the attention of any more aggressive tank mates. It's best to keep them in a friendly, slow moving, planted, community tank.