different types of herring
MAIN RECIPE PAGE. HERRING Herring (Clupea harengus) is a small saltwater fish found mainly in the North Atlantic and the North Sea, but also in the Pacific Ocean. There are different herring varieties confined to their own sea areas  the North Sea, the Baltic Sea, the Irish Sea, etc.A smaller subspecies of the common herring is the Baltic herring (Clupea harengus membras) , found in the Baltic Sea and commonly consumed in Finland.AIN RECIPE PAGE. HERRING Herring (Clupea harengus) is a small saltwater fish found mainly in the North Atlantic and the North Sea, but also in the Pacific Ocean. There are different herring varieties confined to their own sea areas  the North Sea, the Baltic Sea, the Irish Sea, etc.