Global aquacultural production increased from less than 1 million tons in 1950 to 52.5 million tons in 2008, and over the past few decades, aquaculture has grown faster than any other form of food production. Today about half the seafood consumed around the world comes from farms.
TIME magazine's recent issue is about aquaculture, and "the future of fish." See feature article The End of the Line, and, also, Frankenfish: Is GM Salmon a Vital Part of Our Future?