During the investigation from Apr.1997 to Jan.1998,a total of 47 species of zoobenthos were recorded at 14 sampling stations in Fuqiaohe Reservoir, Hubei Province, of which Limnodrilus hoffmeisteri, Tanypus chinensis,Procladius sp.and PChironomus sp.were dominant species.The Shannon index and the Margalef index were lower with the peak in the upper reaches.Changes of zoobenthos similarity coefficients in different seasons were not significant.In horizontal distribution the similarity coefficient between the upper reaches and the cove was the lowest and the highest between the lower reaches and the cove.The density and biomass of zoobenthos in the reservoir were 529.1 ind./m² and 3534.1mg/m²,respectively and both dominated by Insecta.The spatiotemporal change of the zoobenthos standing crops was mainly related to Insecta.It was calculated that the fish production potential from zoobenthos was 1.5×10⁴kg/a It is suggested studies on zoobenthos as an indicator for trophic classification in reservoirs should be conducted.