Herring Herring Herring are forage fish, mostly belonging to the family Clupeidae. Herring often move in large schools around fishing banks and near the coast. The most abundant and commercially important species belong to the genus "Clupea", found particularly in shallow, temperate waters of the North Pacific and the North Atlantic oceans, including the Baltic Sea, as well as off the west coast of South America. Three species of "Clupea" are recognised, and provide about 90% of all herrings captured in fisheries. Most abundant of all is the Atlantic herring, providing over half of all herring capture. Fishes called herring are
Mediterranean mussel edulis" and "Mytilus trossulus", when they are found in the same locality. "M. galloprovincialis" is considered the most warm-water-tolerant species of the three, and has the most southerly distribution in Europe and North America. In Europe, "Mytilus galloprovincialis" is found in the Mediterranean Sea and the Black Sea, and on the Atlantic coasts, in Portugal, north to France and the British Isles and Norway. Recently this species has also been found in the European Arctic including northern Norway and Svalbard In the northern Pacific the species is found along the coast of California, where it was introduced from Europe by