This invention comprises a main rotating removal screen that catches floating materials such as big jellyfishes, wood chips, waste plastics and other things floating in water by endless rotation and including nets that move the floating materials caught to a position higher than the water surface, a receiving tray is provided for receiving the floating material caught by the main rotating removal screen and sending it to a discharge line, a secondary lifting device is provided that cooperates with above mentioned main rotating removal screen to lift and transfer the floating materials caught by the receiving tray, a water jet system is provided for dislodging any caught floating materials that is lifted higher than the receiving tray when it is hooked on the rotating removal screen and not released to the receiving tray, and a cutting water jet system is provided to cut oversized floating material into an acceptable size.