Small food fish are a type of fish that are typically small in size and are often used as a food source. The four small food fish mentioned in the crossword solutions are the ANCHOVY (7 letters), WHITING (7 letters), SMELT (5 letters) and SPRAT (5 letters). Anchovies are small, common saltwater fish found in the Mediterranean Sea and parts of the Atlantic Ocean. WHITING is a type of cod found in the North Atlantic and is a popular food fish. SMELT is a small, silvery fish found in cold, freshwater streams and lakes. SPRAT is a small, oily fish found in the North Sea and Baltic Sea.