As competition for finite fisheries resources increases, the risks of violent conflict over fisheries also rise. Where and when can we expect fisheries conflict to occur? Which actors are most likely to participate in fisheries conflict? What are the most frequent causes of fisheries conflict? How often does conflict result in arrests, property damage, or death? What can be done to mitigate fisheries conflict? Rough Seas: The Causes and Consequences of Fisheries Conflict in Somali Waters explores the frequency, intensity, and drivers of fisheries conflict in Somali waters between 1990 and 2018.