Add Yahoo as a preferred source to see more of our stories on Google. Lemon squeezed on steamed mussels - Munro/Getty Images Cheaper than clams, but equally as tasty and packing just as much protein ...

Over the past 50 years, global aquaculture, including fish, mussel and seaweed farms, has grown dramatically. Almost half of the world's wild-caught fish is used to produce fishmeal and oils that feed ...