Schizopygopsis malacanthus chengi (Fang) are principally distributed in the upper reaches of the Dadu River, which is endemic species in China. The population of the fish living in the upper reaches of the Dadu River has gone down quickly so far, The reasons accountable for the decline of the fish resources are due to water conservancy project, river mining and overfishing. The fish can be proliferated and protected by enhancing fishery management, reinforcing scientific research, and carrying out the return of the individuals cultured.