Various shots from different angles aboard research ship "AT Cameron" of part of the deck, of men at sea in a rubber boat for a salmon nets patrol of mature salmon in tanks on ship. Various shots of marine biologist taking dead salmon's blood sample with a syringe, measuring salmon, weighing it, taking organs out, weighing fish again, cutting up parts of skin, organs, fin, and putting it in different plastic bags with help of another man. Shots of some of same operations on another salmon. Several shots from different angles aboard "AT Cameron" of deck with marine instruments and Greenland coasts in evidence including several shots of men in rubber boat salmon net patrolling, of deck shots at evening time. MS of "At Cameron" ship sailing. Various HASs of crew on deck hauling gill nets. Several shots from different angles of two men on deck measuring salmon, tagging them and putting them in tanks, of salmon in tanks.