Mother Jones: The Feds Just Approved Offshore Fish Farming

If you eat seafood, you’ve likely swallowed some farmed fish: These days, the whale’s share of shrimp, tilapia, mussels, and increasingly salmon sold at American restaurants and seafood counters comes from the hands of aquaculturists rather than local fishermen.

Yet while fish farmers have pretty much mastered the art of raising tilapia in ponds and shellfish next to coastlines, raising marine fin fish—think all the best kinds of sushi, like tuna, yellowtail, kampachi—presents some headaches…go to article.