Dolphin-friendly tuna: we're worrying about the wrong species

Seafood is increasingly marketed as the clean, healthy choice for consumers – full of good oils and proteins and low in fat – with canned tuna a favourite cheap source of healthy protein. But science provides everworsening reports on the state of many fisheries, and their effect on marine ecosystems. As international conservation negotiations flounder, consumers and industry are increasingly relying on ecolabelling to tell which seafood products come from sustainably managed fisheries. But there’s more to tuna than “dolphin-friendly”: what do these labels really tell us?