Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. pearl cichlid is mostly found in aquariums as pets since they possess an attractive pattern of pearly spots over a grey-green body with red fins. Nonetheless, biologists have made it clear that when the pearl cichlids are released in lakes, rivers and the wild, they have proved to become a great nuisance for other aquatic species. The size and hardiness of the also turn them as pests among other aquatic creatures. Experts have mentioned that the pearl cichlids feed on insects, algae and other organisms. In addition to this, biologists have said that the pearl cichlids are territorial by nature, hence can kill other species which ventures along their territory.