"Fish culture, the raising of fish in a man-made environment for food, is at least 2000 years old. At present about 10% of the world's fish supply is raised artificially. Today fish culture is expanding around the world, from hatchery based restocking and sea ranching programs to intensive pond culture. This is a brief survery of some promising new developments." - Summary from the teaching guide. 

Part of the "Science Screen Report" series - Vol. 14, Iss. 8.