This project is aimed at maintaining and improving the function of facilities of the National Germplasm Bank of Aquatic Organismof Lu-kang branch, in the meanwhile, ensuring the security and breeding of the aquatic conservation will be carried, and keeping the normal operation of this germplasm bank. The main conservation aquatic species have been classified as three groups in Lu-kang branch, those are: tilapia species, economic fish species and native fish species. So far, 25 species of freshwater aquatic organism have been conserved.Moreover, the goals of genetic conservation of aquatic organism included: selection, conservation, breeding and database establishment.