Gizmodo
April 9, 2013
Shrimp fountains don’t grow on trees, you know—nor do Ahi Tuna steaks, Fish McBites, or fried calamari. But that hasn’t stopped an increasingly affluent human population from annually demanding more and more seafood. As a result, an estimated 85 percent of the ocean’s fish stocks are now either fully exploited or overfished. But an ancient form of aquatic farming, and current $60 billion-a-year industry, may hold the key to both protecting wild fish populations and your local sushi shop.