Flowerhorn cichlids are ornamental aquarium fish noted for their vivid colors and the distinctively shaped heads for which they are named. Their head protuberance, or kok, is formally termed a "nuchal hump." Like blood parrot cichlids, they are man-made hybrids that do not exist in nature. First developed in Malaysia, Thailand, and Taiwan, they are now kept by fish hobbyists worldwide. Some critics have questioned the impact of flowerhorn breeding programs.
Other articles related to "flowerhorn cichlid, flowerhorns, cichlids, cichlid":
... Criticism has also been made of placing flowerhorns, which are man-made fish, into fish taxa, which are reserved for the identification of species found in nature ... This practice can make identification of similar cichlids difficult ... Breeding with pure bloodlines of cichlid species has already occurred in a number of cichlids commonly kept in the hobby, risking loss of genetic material ...