Cornflower blue herring is a fresh, delicious fish that is a great source of protein and omega-3 fatty acids. It is a great choice for those who like their fish fresh, and it is also a great choice for those who are looking for a fish that is healthy and delicious. Cornflower blue herring is a great choice for those who want a fresh and delicious fish that is a great source of protein and omega-3 fatty acids.