Pine ball fish is a species of fish belonging to the pine ball fish family. It is distributed in the western Pacific Ocean of India, including the Red Sea, South Africa, South Japan, Taiwan, Australia, New Zealand and other sea areas. Distributed in Taiwan, including the southern part and the waters around Orchid Island and Green Island. The adult body length of the pine ball fish is about 13-17 centimeters, characterized by specialized scales in the form of shield armor and slightly hexagonal markings on the side of the body. It is the most beautiful ornamental fish in the order of cichlids. Living in tropical waters ranging from 10 to 200 meters, they inhabit rocky depressions or caves during the day and venture out to search for food at night.