Earlier this year, the government recommended that Americans eat eight ounces of fish a week. With concerns about overfishing and mercury in seafood, how should you pick your fish at the supermarket? Although there isn't a national guide to buying sustainable seafood, individual stores are starting to release their own lists. Big box retailers like Costco, Safeway, and Wal-mart are putting together seafood sustainability guides to help customers make green choices. Currently, the greenest fish options include wild Alaskan salmon, farmed Arctic char, and U.S. farmed shrimp and catfish.
Fortunately, only a few types of fish, like swordfish and shark, pose a mercury threat. Pregnant women should restrict their intake of these mercury-high fish, but for everyone else, eating a varied diet is the best (and tastiest) protection.