The "tongue" or foot of the clam is commercially valuable because it is cut into long strips which are breaded and fried and served as "clam strips", first popularized by the Howard Johnson's franchise.
Fish fingers, known as fish sticks in North America and by translations of that name in most other languages, are a processed food made using a whitefish, such as cod, haddock or pollock, which has been battered or breaded.