Moorish idol, the Crowned Scythe loves to inhabit in the tropical and sub-tropical lagoons and it is widely distributed in the Indo-Pacific oceans. Moorish Idol is scientifically known as Zanclus cornutus which is actually species of the Heniochus genus that are commonly referred to as the “False” or “Poor Man’s” Moorish Idol. Moorish Idol is a perfect choice for the aquarium because it is a peaceful fish and likes to live with non calamitous species.  Moorish Idol is a small fish which can grow up to about 7 inches, but some adults may attain 8 or 9 inches. Moorish Idol is normally found at the depths from 3 to 180 meters (9.8 to 590 ft), in both murky and clear conditions.

The diet of Moorish Idol is not specific as sometimes it is observed to eat or perish everything. Mostly the Moorish Idol is observed alone and sometimes it also forms pairs or occasionally small schools, especially as juveniles. Both the male and the female Moorish Idol release eggs and sperm in the water column, leaving fertilized eggs to drift away with the currents. The aquarists suggest that Moorish Idol, the Crowned Scythe is a pretty sensitive pet and it must be kept in a medium sized tank having 100 Gallon capacity. They grow well if they are introduced into an aquarium in groups of four, six, ten, or whatever. Delicately chopped fresh or frozen shrimp, clams, squid, and other meaty fares suitable for carnivores are ideal food that can be offered to the pet Moorish Idol.