Getting to Know: Shellfish
Despite its name, shellfish are not fish (and they don't all have shells, either).
Despite its name, shellfish are not fish (and they don't all have shells, either). They come in two basic models: mollusks, such as clams, oysters, snails, scallops, and mussels; and crustaceans, such as lobster, shrimp, crayfish and crab. Both can confuse shoppers; both are easy to overcook. Here are some tips from the test kitchen.