``Risk'' has appeared more frequently in the fisheries management literature in recent years. The reasons for this are partly internal and partly external. Though terminology varies, there is consensus that there are two stages in dealing with risk. The first is the formulation of advice for fisheries managers in a way that conveys the possible consequences of uncertainty. The second stage is the way fishery managers take uncertainty into account in making decisions. The course aims to provide a full understanding of the concept of risk in this field.