A few days from now, a single bluefin tuna will make international headlines when it sells for an ungodly amount of money — perhaps more than $100,000 — at Tokyo’s Tsukiji market. And while the high price of the first bluefin of the year will be extraordinary, the rarity, and thus the prestige and high pricetag of bluefin in general, provides a clue to humans’ dietary history. Once upon a time, wild foods were a regular and beloved part of the American diet. Today, the American epicure might dine on foraged mushrooms and ramps, but for many of us, fish are the last wild food we eat. What happened? And what are we missing?