[Title: How Salmon Are Caught] Shot of various types of boats and tackles being used by fishermen for salmon fishing. Sequence showing fishermen locating school of fish in water, rowing dory fast as man drops drag-seine net from back of boat, men getting off boat on shore, pulling in net, beaching catch. Sequence on trolling showing several fishing boats on calm water, of fisherman aboard boat hauling in lines, dragging in salmon, dropping back lines into water. Sequence on weir fishing showing fishing grounds along shore, fishermen emptying traps into barge. HASs of salmons in trap, of fishes splashing on surface of water as net is hauled out of water. Shots of nets being emptied into barge. Sequence on purse-seine fishing showing net being dropped from back of boat, of net being hauled out by winch, fish being loaded into hold. Shots of fishermen sorting fish aboard boat. Shots of fishing boats sailing past camera. [End title; titles interspersed]