Pond aeration systems have been developed to sustain vast fish and invertebrate biomass duringthe past decade. These aeration systems are alterations of standard wastewater aeration systems. Aerationperformancetesting has been significant in selecting design features to provide cost-effective yet well-organizedaquaculture pond aerators. Aerators enhance the oxygen requirement for fish growth, and it iscrucially important in the intensive pond stocked with high densities. Dissolved oxygen concentrations havebeen linked to the water quality of the pond, Fish Growth and Survival, Reproduction, Feed utilization andmicroorganisms. Paddlewheel aerators and propeller-aspirator-pumps are probably most widely used.Aerators usually are placed in ponds to provide maximum air circulation in water. This article summarisesthe importance of mechanical aeration of aquaculture ponds for fish farmers.