Hatching system

System for detecting and retrieving selected specimens being at least one of fish eggs, roe or fry, from a water containing hatching tray, the system including retrieving unit including a tube having a width comparable to the size of the specimens to be retrieved, the tube end being configured to be position in the water, and a pump device capable of pumping water and specimens from said tray, and a robot unit moving the retrieving unit in a predetermined path related to a first reference system over said tray, the system also including an imaging device being configured to detect and select specimens having chosen characteristics and their positions relative to an image frame and relative to the retrieving device, and wherein

• the system includes a control unit defining a second reference system defined by the position of a selected specimen in the image frame, the control unit being configured to move the tube end to the position of the selected specimen and pumping the specimen into the tube.