The spotted grouper is a bony fish species belonging to the family Serranidae in the order Perciformes. The body of the spotted grouper is elongated into an oval shape, flattened and tall on the side; Small head, slightly slanted and straight back edge; Kiss slightly pointed, with wide and round eye gaps; Small mouth, end position, unable to expand or contract; The upper and lower jaws are approximately equal in length, and the teeth of both jaws are fused with the jawbone; The gaps between each tooth are filled with limestone, forming a sturdy dental arch. The spotted grouper is mainly distributed in clear waters with deep seawater such as the Yellow Sea, East China Sea, and Taiwan in China.