The invention discloses a aquaculture aquarium tank with microbial fuel cell, which comprises a cylinder body and a microbial fuel cell assembly.The cylinder block has a side wall and a bottom, the side wall is surrounded and combined with the bottom, the side wall and the bottom define the holding space, and the holding space has a horizontal plane.The microbial fuel cell assembly is arranged in the cylinder block.And it has anode unit.Cathode unit,Microbiological units and external circuits,Anode unit,The cathode unit and the microorganism unit are arranged below the horizontal plane of the accommodation space.The external circuit has wires and resistances.One end of one of the wires is connected to the resistance.The other end is connected to the anode unit.One end of the other wire is connected to the resistance.The other end is connected to the cathode unit.The microbial unit is adjacent to the anode unit and the cathode unit.The microorganism unit is the electronic media of anode unit and cathode unit.本創作揭露一種具有微生物燃料電池的養殖水族缸，其包含缸體以及微生物燃料電池組件。缸體具有側壁及底部，側壁環繞且結合底部，側壁及底部界定出容置空間，容置空間具有水平面。微生物燃料電池組件設置於該缸體，且具有陽極單元、陰極單元、微生物單元及外部電路，陽極單元、陰極單元及微生物單元設置於容置空間的水平面之下，外部電路具有導線及電阻，其中一導線的一端連接於電阻、另一端連結於陽極單元，另一導線的一端連接於電阻、另一端連結於陰極單元，微生物單元鄰近於陽極單元及陰極單元，且微生物單元為陽極單元及陰極單元的電子媒介物。
