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fish of the genus Alosa, family Clupeidae (herringherring,
common name for members of the large, widely distributed family Clupeidae, comprising many species of marine and freshwater food fishes, including the sardine (Sardinia), the menhaden (Brevoortia and Ethmidium), and the shad (Alosa).
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 family), found in North America, Europe, and the Mediterranean. The American shad, A. sapidissima, is one of the largest (6 lb/2.7 kg average) of the herrings and has delicious but bony flesh; its roe is valued as a delicacy. It is found along the Atlantic coast from Newfoundland to Florida and successfully introduced on the Pacific coast.Shad ascend rivers to spawn in the spring. Water pollution and overfishing have cut down their numbers. Named for its muscular gizzardlike stomach, the American gizzard shad, Dorosoma cepedianum, is a swift, silvery fish, 1 ft (30 cm) long, found along the Atlantic coast from New Jersey to Texas and up the Mississippi to the Great Lakes. Shads and gizzard shads are classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Actinopterygii, order Clupeiformes, family Clupeidae.


See J. McPhee, The Founding Fish (2002).



(Alosa sapidissima), a fish of the family Clupeidae (herrings). The largest of the anadromous herrings, the shad is up to 75 cm long and weighs up to 6.4 kg. It is found along the Atlantic coast of North America, from the Gulf of St. Lawrence to Florida. It has been acclimatized in the Pacific Ocean, where it is found from Alaska to San Diego and near Kamchatka. The fish ascend rivers to spawn in the spring. The eggs are deposited in batches. Fecundity is up to 150,000 eggs. The diet consists of plankton (usually the larger forms) and, sometimes, fry. The shad is a valuable commercial fish. In recent years, the catch has decreased considerably because of pollution and the regulation of rivers.


Zhizn’ zhivotnykh, vol. 4, part 1. Moscow, 1971.


1. any of various herring-like food fishes of the genus Alosa and related genera, such as A. alosa (allis shad) of Europe, that migrate from the sea to freshwater to spawn: family Clupeidae (herrings)
2. any of various similar but unrelated fishes
References in periodicals archive ?
Among the 16 species caught, five are amphihaline migratory species (Alosa alosa, Alosa fallax, Mugil cephalus, Petromyzon marinus, Anguilla anguilla) and 11 exclusively freshwater species, 10 of which have been introduced as part of water body replanting programs.
For further support, fecundity studies conducted on other species within the Alosa genus also demonstrated that no significant difference exists between fecundity estimates or oocyte diameter size calculated from samples taken from the middle, anterior, and posterior ends of the ovary (17, 18).
Alosa sapidissima (Wilson): American Shad; no account in text, Plate XXIX (Fig.
The District of Columbia Academic Detailing Program Quality Improvement and Evaluation, THE ALOSA FOUNDATION 3-4 (Aug.
Occurrence and reproduction of the Alabama shad, Alosa alabamae,Jordanand Evermann, in the Ouachita River system of Arkansas.
Los abuelos maternos: don Juan del Aguila y Eguiluz, caballero santiaguista, colegial mayor del Arzobispo de la Universidad de Salamanca y alcalde de Casa y Corte, y dona Josefa Antonia Alosa Rodarte, ambos naturales de Madrid.
Alosa chrysochloris (= Clupea chrysochloris) Hay (1881:502)indicated that a single individual was later sent by Mr.
Information about the history of the Alabama Shad, Alosa alabamae, and its presence along the Gulf coast is limited.
Baumhauer JF, Alosa DM, Renstrom AF, Trevino S and Beynnon B (1995): A prospective study of ankle injury risk factors.
Effects of the spawning migration of the alewife, Alosa pseudoharengus, on freshwater ecosystems.
The effect of fish predation on the zooplankton of ten Adirondack lakes, with particular reference to the alewife, Alosa pseudoharengus.
Alosa, chief executive officer of the Profile Group and Pasty's, based in Concord, New Hampshire, and Ronald A.