Fish lift (501, 1) for transporting fish (502, 2) between an upper water (503, 3) of a barrage (504, 4) and a lower water of the barrage (504, 4), comprising - a hoistway (506, 6) and a container (507, 7), - wherein the hoistway (506, 6) comprises an upper opening (508, 8) leading into the upper water (503, 3), comprising an upper sluice outlet (509, 9) which can be closed by an upper slider (555, 55), - wherein the hoistway (506, 6) comprises a lower opening leading into the lower water, which has a lower sluice inlet, - wherein the container (507, 7) can be displaced between an upper position (S503h, S503n; S3) and a lower position and comprises at least one lateral opening (519, 19), and - wherein the container (507, 7) is designed as a floating container (559; 59), which assumes positions (S503h, S503n, S535; S3, S5, S35) of same in the hoistway (506, 6) according to a present hoistway water level (W522-2, W522-31, W522-32; W22-1, W22-2, W22-3) in the hoistway (506, 6), characterised in that - the fish lift comprises a screen and displacement means (581, 591) for displacing the screen, - wherein the upper opening of the hoistway can at least partially be closed by means of the screen, - wherein the screen can be displaced vertically by the displacement means (581, 591), - wherein the screen comprises a passage, - wherein the passage is adapted to the lateral opening of the container such that whenever the passage and the lateral opening of the container are oriented with each other, fish can swim through a channel formed by the passage and the opening, - wherein the upper opening of the hoistway has such a height that same extends to below a bottom side of the container when the container is in a high upper position (S503h), - wherein the screen according to a water level (N5031; N5032) of the upper water can be displaced between a high water position and a low water position, - wherein the screen with a height is adjusted to the upper opening of the hoistway such that same also in the high water position thereof, during which the container can be displaced into the high upper position (S503h), protrudes downwards over the container standing in the high upper position (S503h) thereof such that the upper opening of the hoistway is closed with respect to the inner space of the hoistway by the screen. - a hoistway (506, 6) and a container (507, 7), - wherein the hoistway (506, 6) comprises an upper opening (508, 8) leading into the upper water (503, 3), comprising an upper sluice outlet (509, 9) which can be closed by an upper slider (555, 55), - wherein the hoistway (506, 6) comprises a lower opening leading into the lower water, which has a lower sluice inlet, - wherein the container (507, 7) can be displaced between an upper position (S503h, S503n; S3) and a lower position and comprises at least one lateral opening (519, 19), and - wherein the container (507, 7) is designed as a floating container (559; 59), which assumes positions (S503h, S503n, S535; S3, S5, S35) of same in the hoistway (506, 6) according to a present hoistway water level (W522-2, W522-31, W522-32; W22-1, W22-2, W22-3) in the hoistway (506, 6), - the fish lift comprises a screen and displacement means (581, 591) for displacing the screen, - wherein the upper opening of the hoistway can at least partially be closed by means of the screen, - wherein the screen can be displaced vertically by the displacement means (581, 591), - wherein the screen comprises a passage, - wherein the passage is adapted to the lateral opening of the container such that whenever the passage and the lateral opening of the container are oriented with each other, fish can swim through a channel formed by the passage and the opening, - wherein the upper opening of the hoistway has such a height that same extends to below a bottom side of the container when the container is in a high upper position (S503h), - wherein the screen according to a water level (N5031; N5032) of the upper water can be displaced between a high water position and a low water position, - wherein the screen with a height is adjusted to the upper opening of the hoistway such that same also in the high water position thereof, during which the container can be displaced into the high upper position (S503h), protrudes downwards over the container standing in the high upper position (S503h) thereof such that the upper opening of the hoistway is closed with respect to the inner space of the hoistway by the screen.