Every year, people catch and consume more than 5 million metric tons of tuna worldwide. But how does all of that fish get from the ocean to people’s sashimi and tuna salad sandwiches?
The tuna industry is an enormous, complex global system worth more than US$40 billion each year and is responsible for millions of people’s jobs and food and economic security. Of the many species of tuna, consumers are most likely to see four – albacore, skipjack, yellowfin and bigeye – on supermarket shelves. These species make up more than 95% of the global tuna harvest…