Flower tailed black tailed catfish is a food fish with a tall body and a spindle shape; The standard body length is approximately 2.4-2.9 times the body height. Small mouth, end position; The maxilla has elasticity and is partially covered by the preorbital bone; The anterior maxilla has a finger like protrusion; There are one or two rows of fine teeth in front of the upper and lower jaws, and the hoe bone also has a narrow band of fine teeth. The posterior edge of the gill cover has a small blunt spine, and the anterior gill cover has no serrations. Distributed in the tropical waters of the Indo Western Pacific, from the east coast of Africa and the Red Sea in the west, to the Solomon Islands in the east, to the Ryukyu Islands in the north, and to Australia in the south. It is found in the reef waters along the southern and eastern coasts of Taiwan, China, China.