Herring is an
oily fishOily fish have oil in their tissues and in the belly cavity around the gut. Their fillets contain up to 30 percent oil, although this figure varies both within and between species...
of the genus
Clupea, found in the shallow, temperate waters of the North
PacificThe Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...
and the North
AtlanticThe Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...
oceans, including the
Baltic SeaThe Baltic Sea is a brackish mediterranean sea located in Northern Europe, from 53°N to 66°N latitude and from 20°E to 26°E longitude. It is bounded by the Scandinavian Peninsula, the mainland of Europe, and the Danish islands. It drains into the Kattegat by way of the Øresund, the Great Belt and...
. Three species of
Clupea are recognized. The main taxa, the
Atlantic herringAtlantic herring is a fish in the family Clupeidae. It is one of the most abundant fish species on earth. Herring can be found on both sides of the Atlantic Ocean, congregating in large schools. They can grow up to in length and weigh more than...
(
Clupea harengus) and the
Pacific herringThe Pacific herring, Clupea pallasii, is a species of the herring family associated with the Pacific Ocean environment of North America and northeast Asia. This species is a silvery fish with unspined fins and a deeply forked caudal fin...
(
Clupea pallasii) may each be divided into subspecies. Herrings are
forage fishForage fish, also called prey fish or bait fish, are small fish which are preyed on by larger predators for food. Predators include other larger fish, seabirds and marine mammals. Typical ocean forage fish feed near the base of the food chain on plankton, often by filter feeding...
moving in vast
schoolsIn biology, any group of fish that stay together for social reasons are said to be shoaling , and if, in addition, the group is swimming in the same direction in a coordinated manner, they are said to be schooling . In common usage, the terms are sometimes used rather loosely...
, coming in spring to the shores of
EuropeEurope is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...
and
AmericaThe Americas, or America , are lands in the Western hemisphere, also known as the New World. In English, the plural form the Americas is often used to refer to the landmasses of North America and South America with their associated islands and regions, while the singular form America is primarily...
, where they are caught, salted,
smokedSmoked fish are fish that have been cured by smoking.Foods have been smoked by humans throughout history. Originally this was done as a preservative...
, marinated and creamed.
Morphology
The species of
Clupea belong to the larger family
ClupeidaeClupeidae is the family of the herrings, shads, sardines, hilsa and menhadens. It includes many of the most important food fishes in the world.-Description and biology:...
(herrings, shads, sardines, menhadens), which comprise some 200 species that share similar features. These silvery-colored fish have a single
dorsal finA dorsal fin is a fin located on the backs of various unrelated marine and freshwater vertebrates, including most fishes, marine mammals , and the ichthyosaurs...
, which is soft, without spines. They have no
lateral lineThe lateral line is a sense organ in aquatic organisms , used to detect movement and vibration in the surrounding water. Lateral lines are usually visible as faint lines running lengthwise down each side, from the vicinity of the gill covers to the base of the tail...
and have a protruding lower jaw. Their size varies between subspecies: the Baltic herring (
Clupea harengus membras) is small, 14 to 18 centimeters; the proper Atlantic herring (
C. h. harengus) can grow to about 46 cm (18 inches) and weigh up 700 g (1.5
poundThe pound or pound-mass is a unit of mass used in the Imperial, United States customary and other systems of measurement...
s); and
Pacific herringThe Pacific herring, Clupea pallasii, is a species of the herring family associated with the Pacific Ocean environment of North America and northeast Asia. This species is a silvery fish with unspined fins and a deeply forked caudal fin...
grow to about 38 cm (15 inches).
Predators
Predators of herring include humans, seabirds, dolphins, porpoises,
striped bassThe striped bass is the state fish of Maryland, Rhode Island, South Carolina, and the state saltwater fish of New York, Virginia, and New Hampshire...
,
sealThe true seals or earless seals are one of the three main groups of mammals within the seal superfamily, Pinnipedia. All true seals are members of the family Phocidae . They are sometimes called crawling seals to distinguish them from the fur seals and sea lions of the family Otariidae...
s,
sea lionSea lions are pinnipeds characterized by external ear-flaps, long fore-flippers, the ability to walk on all fours, and short thick hair. Together with the fur seal, they comprise the family Otariidae, or eared seals. There are six extant and one extinct species in five genera...
s, whales, sharks,
dog fishThe spiny dogfish, spurdog, mud shark, or piked dogfish, Squalus acanthias, is one of the best known of the dogfish which are members of the family Squalidae in the order Squaliformes. While these common names may apply to several species, Squalus acanthias is distinguished by having two spines ...
,
tunaTuna is a salt water fish from the family Scombridae, mostly in the genus Thunnus. Tuna are fast swimmers, and some species are capable of speeds of . Unlike most fish, which have white flesh, the muscle tissue of tuna ranges from pink to dark red. The red coloration derives from myoglobin, an...
,
codCod is the common name for genus Gadus, belonging to the family Gadidae, and is also used in the common name for various other fishes. Cod is a popular food with a mild flavor, low fat content and a dense, flaky white flesh. Cod livers are processed to make cod liver oil, an important source of...
,
salmonSalmon is the common name for several species of fish in the family Salmonidae. Several other fish in the same family are called trout; the difference is often said to be that salmon migrate and trout are resident, but this distinction does not strictly hold true...
, and
halibutHalibut is a flatfish, genus Hippoglossus, from the family of the right-eye flounders . Other flatfish are also called halibut. The name is derived from haly and butt , for its popularity on Catholic holy days...
. Other large fish also feed on adult herring.
Diet
See Atlantic herringAtlantic herring is a fish in the family Clupeidae. It is one of the most abundant fish species on earth. Herring can be found on both sides of the Atlantic Ocean, congregating in large schools. They can grow up to in length and weigh more than...
for videos of juvenile herring feeding by catching copepodCopepods are a group of small crustaceans found in the sea and nearly every freshwater habitat. Some species are planktonic , some are benthic , and some continental species may live in limno-terrestrial habitats and other wet terrestrial places, such as swamps, under leaf fall in wet forests,...
s.
Young herring feed on
phytoplanktonPhytoplankton are the autotrophic component of the plankton community. The name comes from the Greek words φυτόν , meaning "plant", and πλαγκτός , meaning "wanderer" or "drifter". Most phytoplankton are too small to be individually seen with the unaided eye...
and as they mature they start to consume larger organisms. Adult herring feed on
zooplanktonZooplankton are heterotrophic plankton. Plankton are organisms drifting in oceans, seas, and bodies of fresh water. The word "zooplankton" is derived from the Greek zoon , meaning "animal", and , meaning "wanderer" or "drifter"...
, tiny animals that are found in
oceanAn ocean is a major body of saline water, and a principal component of the hydrosphere. Approximately 71% of the Earth's surface is covered by ocean, a continuous body of water that is customarily divided into several principal oceans and smaller seas.More than half of this area is over 3,000...
ic
surface watersThe photic zone or euphotic zone is the depth of the water in a lake or ocean that is exposed to sufficient sunlight for photosynthesis to occur...
, and small fish and fish larvae.
CopepodCopepods are a group of small crustaceans found in the sea and nearly every freshwater habitat. Some species are planktonic , some are benthic , and some continental species may live in limno-terrestrial habitats and other wet terrestrial places, such as swamps, under leaf fall in wet forests,...
s and other tiny
crustaceanCrustaceans form a very large group of arthropods, usually treated as a subphylum, which includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill and barnacles. The 50,000 described species range in size from Stygotantulus stocki at , to the Japanese spider crab with a leg span...
s are the most common zooplankton eaten by herring. During daylight herring stay in the safety of deep water, feeding at the surface only at night when there is less chance of being seen by predators. They swim along with their mouths open, filtering the
planktonPlankton are any drifting organisms that inhabit the pelagic zone of oceans, seas, or bodies of fresh water. That is, plankton are defined by their ecological niche rather than phylogenetic or taxonomic classification...
from the water as it passes through their gills.
Species
- Clupea bentincki Norman, 1936 (Araucanian herring)
- Clupea harengus Linnaeus, 1758 (Atlantic herring)
- Clupea manulensis Marion de Procé, 1822 -validity questionable-
- Clupea pallasii Valenciennes
Achille Valenciennes was a French zoologist.Valenciennes was born in Paris, and studied under Georges Cuvier. Valenciennes' study of parasitic worms in humans made an important contribution to the study of parasitology...
, 1847 (Pacific herring)
- Clupea pallasii marisalbi L. S. Berg, 1923 (White Sea herring)
- Clupea pallasii pallasii Valenciennes
Achille Valenciennes was a French zoologist.Valenciennes was born in Paris, and studied under Georges Cuvier. Valenciennes' study of parasitic worms in humans made an important contribution to the study of parasitology...
, 1847 (Pacific herring)
- Clupea pallasii suworowi Rabinerson, 1927 (Chosa herring)
Economy
Adult herring are harvested for their meat and eggs, and they are often used as
baitfishBait fish are small fish caught for use as bait to attract large predatory fish, particularly game fish. Species used are typically those that are common and breed rapidly, making them easy to catch and in regular supply. Examples of marine bait fish are anchovies, halfbeaks such as ballyhoo, and...
. The trade in herring is an important sector of many national economies. In Europe the fish has been called the "silver of the sea", and its trade has been so significant to many countries that it has been regarded as the most commercially important fishery in history.
Environmental DefenseEnvironmental Defense Fund or EDF is a United States–based nonprofit environmental advocacy group. The group is known for its work on issues including global warming, ecosystem restoration, oceans, and human health...
have suggested that
Atlantic herringAtlantic herring is a fish in the family Clupeidae. It is one of the most abundant fish species on earth. Herring can be found on both sides of the Atlantic Ocean, congregating in large schools. They can grow up to in length and weigh more than...
(
Clupea harengus) are one of the more environmentally responsible fish.
Cuisine
Herring has been a
staple foodA staple food is one that is eaten regularly and in such quantities that it constitutes a dominant portion of a diet, and that supplies a high proportion of energy and nutrient needs. Most people live on a diet based on one or more staples...
source since at least 3000 B.C. There are numerous ways the fish is served and many regional recipes: eaten raw, fermented,
pickledPickling, also known as brining or corning is the process of preserving food by anaerobic fermentation in brine to produce lactic acid, or marinating and storing it in an acid solution, usually vinegar . The resulting food is called a pickle. This procedure gives the food a salty or sour taste...
, or cured by other techniques. The fish was sometimes known as "two-eyed steak".
Nutrition and Pollution
Herring are very high in the long-chain
Omega-3 fatty acidN−3 fatty acids are essential unsaturated fatty acids with a double bond starting after the third carbon atom from the end of the carbon chain....
s
EPAEicosapentaenoic acid is an omega-3 fatty acid. In physiological literature, it is given the name 20:5. It also has the trivial name timnodonic acid...
and
DHADocosahexaenoic acid is an omega-3 fatty acid that is a primary structural component of the human brain and retina. In chemical structure, DHA is a carboxylic acid with a 22-carbon chain and six cis double bonds; the first double bond is located at the third carbon from the omega end...
. They are a source of
vitamin DVitamin D is a group of fat-soluble secosteroids. In humans, vitamin D is unique both because it functions as a prohormone and because the body can synthesize it when sun exposure is adequate ....
.
Water pollutionWater pollution is the contamination of water bodies . Water pollution occurs when pollutants are discharged directly or indirectly into water bodies without adequate treatment to remove harmful compounds....
influences the amount of herring that may be safely consumed. For example, large Baltic herring slightly exceeds recommended limits with respect to
PCBPolychlorinated biphenyls are a class of organic compounds with 2 to 10 chlorine atoms attached to biphenyl, which is a molecule composed of two benzene rings. The chemical formula for PCBs is C12H10-xClx...
and dioxin, although some sources point out that cancer-reducing effect of omega-3 fatty acids is statistically stronger than the cancer-causing effect of PCBs and dioxins. The contaminant levels depend on the age of the fish which can be inferred from their size. Baltic herrings larger than 17 cm may be eaten twice a month, while herrings smaller than 17 cm can be eaten freely.
Mercury in fishFish and shellfish concentrate mercury in their bodies, often in the form of methylmercury, a highly toxic organic compound of mercury. Fish products have been shown to contain varying amounts of heavy metals, particularly mercury and fat-soluble pollutants from water pollution...
also influences the amount of fish that women who are pregnant or planning to be pregnant within the next one or two years may safely eat.
Pickled herring
Pickled herring is a delicacy in Europe, and has become a part of Baltic, Nordic, Dutch, German, Eastern Slavic and Jewish cuisine. Most cured herring uses a two-step curing process. Initially, herring is cured with salt to extract water. The second stage involves removing the salt and adding flavorings, typically a vinegar, salt, sugar solution to which ingredients like peppercorn, bay leaves and raw onions are added. In recent years also other flavors have been added due to foreign influences. However, the tradition is strong in Denmark, Sweden, Finland, Norway, The Netherlands, Iceland and Germany. Onion, sherry, mustard and dill are some of the traditional flavourings.
In the
Nordic countriesThe Nordic countries make up a region in Northern Europe and the North Atlantic which consists of Denmark, Finland, Iceland, Norway and Sweden and their associated territories, the Faroe Islands, Greenland and Åland...
and Germany, once the pickling process is finished and depending on which of the dozens of classic herring flavourings (mustard, onion, garlic, lingonberries etc.) are selected, it is eaten with dark rye bread, crisp bread, sour cream, or potatoes. This dish is common at Christmas, Easter and
MidsummerMidsummer may simply refer to the period of time centered upon the summer solstice, but more often refers to specific European celebrations that accompany the actual solstice, or that take place on a day between June 21 and June 24, and the preceding evening. The exact dates vary between different...
, where it is eaten with
akvavitAkvavit or aquavit is a traditional flavoured spirit that is principally produced in Scandinavia, where it has been produced since the 15th century....
.
In the 19th century, people in Berlin developed a special treat known in English as
soused herringThe term soused herring usually means 'soaked in a mild preserving liquid', and can be used to refer to raw herring in a mild vinegar pickle or the famous Dutch brined herring...
or
rollmops.
Pickled herring is common in
Russian cuisineRussian cuisine is diverse, as Russia is the largest country in the world. Russian cuisine derives its varied character from the vast and multi-cultural expanse of Russia. Its foundations were laid by the peasant food of the rural population in an often harsh climate, with a combination of...
, where it can be served as simple as just cut into pieces seasoned with sunflower oil and
onionThe onion , also known as the bulb onion, common onion and garden onion, is the most widely cultivated species of the genus Allium. The genus Allium also contains a number of other species variously referred to as onions and cultivated for food, such as the Japanese bunching onion The onion...
s, or can be part of herring
saladSalad is any of a wide variety of dishes, including vegetable salads; salads of pasta, legumes, eggs, or grains; mixed salads incorporating meat, poultry, or seafood; and fruit salads. They may include a mixture of cold and hot, often including raw vegetables or fruits.Green salads include leaf...
s, which are usually prepared with vegetables and seasoned with
mayonnaiseMayonnaise, , often abbreviated as mayo, is a sauce. It is a stable emulsion of oil, egg yolk and either vinegar or lemon juice, with many options for embellishment with other herbs and spices. Lecithin in the egg yolk is the emulsifier. Mayonnaise varies in color but is often white, cream, or pale...
dressing.
Pickled herrings are common in
Ashkenazi JewishAshkenazi Jews, also known as Ashkenazic Jews or Ashkenazim , are the Jews descended from the medieval Jewish communities along the Rhine in Germany from Alsace in the south to the Rhineland in the north. Ashkenaz is the medieval Hebrew name for this region and thus for Germany...
cuisine, perhaps best known for
forshmak salad known in English simply as "chopped herring".
Pickled herring can also be found in the cuisine of
Hokkaidō, formerly known as Ezo, Yezo, Yeso, or Yesso, is Japan's second largest island; it is also the largest and northernmost of Japan's 47 prefectural-level subdivisions. The Tsugaru Strait separates Hokkaido from Honshu, although the two islands are connected by the underwater railway Seikan Tunnel...
in
JapanJapan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...
, where families traditionally preserved large quantities for winter.
RollmopsRollmops are pickled herring fillets, rolled into a cylindrical shape around slices of onion, pickled gherkin, or green olive with pimento. Rollmops can be served held together with one or two small wooden skewers....
are
pickledPickling, also known as brining or corning is the process of preserving food by anaerobic fermentation in brine to produce lactic acid, or marinating and storing it in an acid solution, usually vinegar . The resulting food is called a pickle. This procedure gives the food a salty or sour taste...
herring
filletA fillet is a cut or slice of boneless meat or fish.- Meat :In the case of beef, in the USA, the term most often refers to beef tenderloin, especially filet mignon.- Chicken :...
s rolled (hence the name) into a
cylindricalA cylinder is one of the most basic curvilinear geometric shapes, the surface formed by the points at a fixed distance from a given line segment, the axis of the cylinder. The solid enclosed by this surface and by two planes perpendicular to the axis is also called a cylinder...
shape around a piece of pickled
gherkinThe gherkin is a fruit similar in form and nutritional value to a cucumber. Gherkins and cucumbers belong to the same species , but are from different cultivar groups....
or an
onionThe onion , also known as the bulb onion, common onion and garden onion, is the most widely cultivated species of the genus Allium. The genus Allium also contains a number of other species variously referred to as onions and cultivated for food, such as the Japanese bunching onion The onion...
. The word is borrowed from the
GermanGerman is a West Germanic language, related to and classified alongside English and Dutch. With an estimated 90 – 98 million native speakers, German is one of the world's major languages and is the most widely-spoken first language in the European Union....
.
Pickled herring is one of the twelve dishes served on Ukrainian Christmas Eve.
Raw
A typical Dutch delicacy is
Hollandse NieuweThe term soused herring usually means 'soaked in a mild preserving liquid', and can be used to refer to raw herring in a mild vinegar pickle or the famous Dutch brined herring...
(Dutch New), which is raw herring from the catches around the end of spring and the beginning of summer. This is typically eaten with raw onion. Hollandse nieuwe is only available in spring when the first seasonal catch of herring is brought in. This is celebrated in festivals such as the
VlaardingenVlaardingen is a town in South Holland in the Netherlands. It is located on the north bank of the Nieuwe Maas/Nieuwe Waterweg river at the confluence with the Oude Maas...
Herring Festival and Vlaggetjesdag in
Scheveningen. The new herring are frozen and enzyme-preserved for the remainder of the year. The first barrel of Hollandse Nieuwe is traditionally sold at auction for charity.
Dried
In the Philippines, dried herring is popularly eaten during breakfast, along with garlic rice and eggs.
Very young herring are called
whitebaitWhitebait is a collective term for the immature fry of fish, typically between 25 and 50 millimetres long. Such young fish often travel together in schools along the coast, and move into estuaries and sometimes up rivers where they can be easily caught with fine meshed fishing nets...
and are eaten whole as a delicacy.
Smoked
A
kipperA kipper is a whole herring, a small, oily fish, that has been split from tail to head, gutted, salted or pickled, and cold smoked.In the United Kingdom, in Japan, and in some North American regions they are often eaten for breakfast...
is a split and smoked herring, a
bloaterBloaters are a type of smoked herring. They are different from the kippers as they are smoked whole, with its innards intact which gives it its unique gamey flavour. The bloater is associated with Great Yarmouth, England; the kipper with Scotland and the Isle of Man...
is a whole smoked herring and a
bucklingA buckling is a form of hot-smoked herring similar to the kipper and the bloater. The head and guts are removed but the roe remain. They may be eaten hot or cold.-Origin:...
is a hot smoked herring with the guts removed. All are staples of
British cuisineEnglish cuisine encompasses the cooking styles, traditions and recipes associated with England. It has distinctive attributes of its own, but also shares much with wider British cuisine, largely due to the importation of ingredients and ideas from places such as North America, China, and India...
. According to
George OrwellEric Arthur Blair , better known by his pen name George Orwell, was an English author and journalist...
in
The Road to Wigan PierThe Road to Wigan Pier is a book by the British writer George Orwell, first published in 1937. The first half of this work documents his sociological investigations of the bleak living conditions amongst the working class in Lancashire and Yorkshire in the industrial north of England before World...
, the Emperor
Charles VCharles V was ruler of the Holy Roman Empire from 1519 and, as Charles I, of the Spanish Empire from 1516 until his voluntary retirement and abdication in favor of his younger brother Ferdinand I and his son Philip II in 1556.As...
erected a statue to the inventor of bloaters.
Smoked herring is a traditional meal on the Danish island in the Baltic Sea, Bornholm. This is also the case in Sweden where one can get hard fried/smoked "Strömming" named "Sotare" in places like
SkansenSkansen is the first open air museum and zoo in Sweden and is located on the island Djurgården in Stockholm, Sweden. It was founded in 1891 by Artur Hazelius to show the way of life in the different parts of Sweden before the industrial era....
, Stockholm.
Other means
In Scotland the herring is traditionally filleted and after being coated in seasoned pin-head oatmeal is fried in a pan with butter or oil. This dish is usually served with "crushed" buttered boiled potatoes.
Smoked herring is a traditional meal on the Danish island in the Baltic Sea, Bornholm.
In Sweden,
herring soupAccording to the 1881 Household Cyclopedia herring soup is a thick mix of water, barley-meal and red herring.-See also:*Rollmops*Pickled herring*Chowder*Bouillabaisse...
is also a traditional dish.
In
SoutheastSoutheast Alaska, sometimes referred to as the Alaska Panhandle, is the southeastern portion of the U.S. state of Alaska, which lies west of the northern half of the Canadian province of British Columbia. The majority of Southeast Alaska's area is part of the Tongass National Forest, the United...
AlaskaAlaska is the largest state in the United States by area. It is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait...
,
western hemlockTsuga heterophylla. the Western Hemlock, is a species of hemlock native to the west coast of North America, with its northwestern limit on the Kenai Peninsula, Alaska, and its southeastern limit in northern Sonoma County, California.-Habitat:...
boughs are cut and placed in the ocean before the herring arrive to spawn. The fertilized herring eggs stick to the boughs, and are easily collected. After being boiled briefly the eggs are removed from the bough. Herring eggs collected in this way are eaten plain or in herring egg
saladSalad is any of a wide variety of dishes, including vegetable salads; salads of pasta, legumes, eggs, or grains; mixed salads incorporating meat, poultry, or seafood; and fruit salads. They may include a mixture of cold and hot, often including raw vegetables or fruits.Green salads include leaf...
. This method of collection is part of Tlingit tradition.
See also
- Atlantic herring
Atlantic herring is a fish in the family Clupeidae. It is one of the most abundant fish species on earth. Herring can be found on both sides of the Atlantic Ocean, congregating in large schools. They can grow up to in length and weigh more than...
- Soused herring
The term soused herring usually means 'soaked in a mild preserving liquid', and can be used to refer to raw herring in a mild vinegar pickle or the famous Dutch brined herring...
- Shmaltz herring
Shmaltz herring is mature, fatty herring, filleted and preserved in brine and brown sugar, in vegetable oil, or in rendered chicken or goose fat , or as the German Schmalz, in pork fat....
- Brathering
Brathering is a simple German dish of fried, marinated herring.In a common recipe, whole, green herrings are either breaded or simply turned in flour, then fried, and finally pickled in a marinade of vinegar and briefly boiled water, onion, salt, spices like pepper, bay leaves and mustard seeds...
- Scania Market
Scania Market was a major fish market for herring which took place annually in Scania during the Middle Ages. From around 1200, it became one of the most important events for trade around the Baltic Sea and made Scania into a major distribution center for West-European goods bound for eastern...
- Kipper
A kipper is a whole herring, a small, oily fish, that has been split from tail to head, gutted, salted or pickled, and cold smoked.In the United Kingdom, in Japan, and in some North American regions they are often eaten for breakfast...
- Underwater video (looping) of a school of Atlantic herring
Atlantic herring is a fish in the family Clupeidae. It is one of the most abundant fish species on earth. Herring can be found on both sides of the Atlantic Ocean, congregating in large schools. They can grow up to in length and weigh more than...
Clupea harengus on its migration to their spawning grounds in the Baltic SeaThe Baltic Sea is a brackish mediterranean sea located in Northern Europe, from 53°N to 66°N latitude and from 20°E to 26°E longitude. It is bounded by the Scandinavian Peninsula, the mainland of Europe, and the Danish islands. It drains into the Kattegat by way of the Øresund, the Great Belt and...
.
External links