: Ideally caught, filleted, and frozen right on the boat.

: Check the label to ensure fish is the only ingredient. Avoid sodium tripolyphosphate , an additive used to retain moisture that can give the fish an "off" flavor or rubbery texture.

: Look for eco-labels like the Marine Stewardship Council (MSC) or Friend of the Sea to ensure the fish was sustainably caught. Acronyms to Know :