The term seagan(ism) is of course a blend of sea and vegan(ism), coined in 2016 by US food writers Amy Cramer and Lisa McComsey in connection with a related cookery book, Seagan Eating (Tarcherperigee 2016). It follows in the footsteps of several other variations on the theme, including freegan (someone who uses food which has or is going to be thrown away – proponents are often vegan/vegetarian) and beegan, a vegan who happily eats honey. More recently, there’s also evidence for the terms bivalvegan, describing a vegan who eats particular ‘bivalve’ shellfish like oysters and mussels, and entovegan, which – brace yourselves – is a vegan who eats certain kinds of insect.