The Gizzard Shad (Dorosoma cepedianum) is a small, silvery fish found in freshwater lakes and rivers across North America. Typically reaching lengths of about 10-15 inches, they are a k... The Gizzard Shad (Dorosoma cepedianum) is a small, silvery fish found in freshwater lakes and rivers across North America. Typically reaching lengths of about 10-15 inches, they are a key forage species for larger predators. Gizzard Shads have a deep body, forked tail, and a distinctive gizzard-like organ that helps them digest their planktonic diet. They are vital in the food web, supporting both commercial and sport fish populations.Click here to read more about Gizzard Shad.