Andrew Thorne-Lyman, Senior Nutrition Specialist at WorldFish and Adjunct Lecturer in the Department of Nutrition, at the Harvard University School of Public Health, guest blogs on the nutritional value of fish and its role in global development. Since joining WorldFish, I’ve spent a great deal of time learning about the important role that aquaculture and fisheries play within the global food system and considering the possibilities for harnessing the sector to have even greater impact on human nutrition and health.