A growing trend

Other supermarket chains are also limiting the seafood they sell in the name of sustainability. Among them:

• BJ's Wholesale Club said it will sell seafood only from suppliers "identified as sustainable or on track to meet sustainability standards by 2014."

• Target Corp. plans to sell only sustainable and traceable seafood in its stores by 2015. It teamed with the nonprofit organization FishWise and has already eliminated Chilean sea bass and orange roughy, which have been overfished.

• Safeway and Wal-Mart also have worked to change their seafood policies as concern continues to grow about overfishing.