Fish screening tool

The utility model discloses a fish screening tool which comprises a shell, a first screen, a second screen, a third screen, a first sliding groove, a second sliding groove, a third sliding groove, a first side plate, a second side plate and a third side plate. The shell is in an inclined shape. Screen meshes are sequentially arranged on the inner side face of the shell from top to bottom. The included angle between the screen and the horizontal plane ranges from 20 degrees to 30 degrees, the gap of the screen is gradually decreased from top to bottom, a side plate and a sliding groove are sequentially formed in one side of the shell from top to bottom, the bottom of the side plate is connected to a rotating shaft, and the upper portion of the sliding groove is arranged below the rotating shaft. According to the fish fry screening device, the sizes of fish fries are better screened through the vibration effect of the vibration motor, the screened fish fries are uniform in size, the sliding groove forming a cer