Schismogenesis, you’ll recall, describes how societies in contact with each other end up joined within a common system of differences, even as they attempt to distinguish themselves from one another.

In the technical language of behavioural ecology, fish are ‘front-loaded’. You have to do most of the work of preparation right away. As a result, one could argue that a decision to rely heavily on fish – while undoubtedly sensible in purely nutritional terms – is also weaving a noose for one’s own neck. It meant investing in the creation of a