A method of sorting live fish comprises guiding fish from a holding area (12, 25) through a recording device (14, 24) and identify features of individual fish characterizing the condition of the fish and individuals. Based on the identified features, a desired action for each individual fish is decided, and each individual fish is subsequently guided to one or more destinations in which the desired action can be performed on the fish. Correspondingly, a system (10) for sorting live fish comprises a holding area (12, 25) for holding live fish, and a device (14) for recording health and physical development of fish in the holding area (12, 25). The device (14) for recording health and physical development comprises a recording area for the recording. A sorting device (14) is arranged in or after the recording area for sorting fish, and is connected to the one or more transfer devices for transferring fish to one or more destinations.
