From the perspective of small fish, the potential collapse of predatory species such as cod, tuna, and swordfish, which are popular with diners, would seem to be good news. However, as the larger, high-value fish became increasingly scarce, the fishing industry turned to farming, and those penned fish needed something to eat. Commercial fishermen have thus begun fishing down the food chain, and smaller fish behave in ways that make them very vulnerable, swimming in large, dense schools that are easy to spot from the air and require little fuel to pursue. “Fishing for these animals may be likened to shooting fish in a barrel,” a National Coalition for Marine Conservation report noted in 2006. Three years ago, a far-reaching analysis of forage fish, put out by the Lenfest Foundation and financed by the Pew Charitable Trusts, reported that thirty-seven per cent of global seafood landings recorded annually consist of forage fish, up from less than ten per cent fifty years ago. Of that thirty-seven percent, only a small fraction goes to the consumer market—mostly in the form of fish oils and supplements—while the bulk is processed into pellets and fishmeal, then fed to animals like salmon, pigs, and chicken.
—John Donahue writing in The New Yorker about the health, environmental and economic benefits of eating the ocean’s smaller fish.
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