Fish lift for transporting fish between a headwater of a barrage and a tailwater of the barrage, comprising - a shaft and a container, - wherein the shaft comprises a lower opening, located below a level of the tailwater, with a lower lock entrance, - wherein the container is movable between an upper position and a lower position, - wherein the container is in the form of a floating container, which takes up its positions (S3; S35) in the shaft depending on a water level in the shaft, - wherein the container is lowered by drainage of water from a water volume enclosed in the shaft or wherein the container is raised by inflow of water into the water volume enclosed in the shaft, - wherein the inflow of water takes place by means of an inflow device, - wherein the inflow device comprises a line system, - wherein the line system is connected to the headwater and comprises a main line, which leads into the shaft, - wherein the inflow device comprises first blocking means, a bypass line and pressure-reducing means, - wherein the first blocking means are arranged in the main line and wherein the bypass line is arranged such that first blocking means arranged in the main line are able to be bypassed thereby, and - wherein the pressure-reducing means are arranged in the bypass line, characterized in that the pressure-reducing means comprise at least two expansion chambers (106a, 106b), wherein a cross-sectional area, measured orthogonally to a direction of flow, of the first expansion chamber (A106a) is at least three times as large as a cross-sectional area (A114b), measured orthogonally to the direction of the flow, of an end portion, leading into the first expansion chamber, of a bypass supply pipe. - a shaft and a container, - wherein the shaft comprises a lower opening, located below a level of the tailwater, with a lower lock entrance, - wherein the container is movable between an upper position and a lower position, - wherein the container is in the form of a floating container, which takes up its positions (S3; S35) in the shaft depending on a water level in the shaft, - wherein the container is lowered by drainage of water from a water volume enclosed in the shaft or wherein the container is raised by inflow of water into the water volume enclosed in the shaft, - wherein the inflow of water takes place by means of an inflow device, - wherein the inflow device comprises a line system, - wherein the line system is connected to the headwater and comprises a main line, which leads into the shaft, - wherein the inflow device comprises first blocking means, a bypass line and pressure-reducing means, - wherein the first blocking means are arranged in the main line and wherein the bypass line is arranged such that first blocking means arranged in the main line are able to be bypassed thereby, and - wherein the pressure-reducing means are arranged in the bypass line, characterized in that the pressure-reducing means comprise at least two expansion chambers (106a, 106b), wherein a cross-sectional area, measured orthogonally to a direction of flow, of the first expansion chamber (A106a) is at least three times as large as a cross-sectional area (A114b), measured orthogonally to the direction of the flow, of an end portion, leading into the first expansion chamber, of a bypass supply pipe.