Japan’s oceans demand our attention. Violent, prolific, and changeful, they define life and death on the archipelago: pushing the shore under the rush of tsunami, charging typhoon circulation, feeding millions, and seeding conflicts over territory and resources. And yet, Japan studies remains largely beholden to a terrestrial view of the world that is at odds with the importance of the sea. This “terrestrial bias” also means that on those occasions when oceans are recognized they are most ...