Many species of fish are consumed as food in virtually all regions around the world. Fish has been an important source of protein and other nutrients for humans throughout history.

English does not have a special culinary name for food prepared from these animals, as it does with pig vs. pork, and as does  In culinary and fishery contexts, fish may include shellfish, such as molluscs, crustaceans and echinoderms; more expansively, seafood covers both fish and other marine life used as food