The term 'SILVERY FOOD FISH' can be broken down into three crossword solutions: SMELT (5 letters), SMELTS (6 letters), and HERRING (7 letters). SMELT is a type of small fish found in both fresh and saltwater, usually measuring around 6 inches in length. Smelts are a type of fish related to the SMELT, but they are larger and have a milder flavor. HERRING is a type of oily fish that is found in the Atlantic and Pacific oceans, and is often used as a food source. All three of these fish are silver in color and are popularly eaten as food.