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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 ?
Monitoring work during the spring and summer of 2017 which used some of the latest technology, found that around 15,000 shad can make it above Upper Lode weir on the River Severn, near Tewkesbury before being halted by Diglis Weir in Worcester.
The Tyneside Shads Guitar Club annual festival takes place at the Northumbrian Suite at the old Federation Brewery site in Gateshead on Saturday, May 13 and Sunday, May 14.
Few colors produce as well as Tennessee Shad, which was on fire when first introduced and continues to perform in all but the muddiest conditions.
North Carolina fisheries agencies hope that a daily 10-fish limit for shads (only 1 fish can be American Shad in the Roanoke River) will protect current population size while maintaining the interest of fishermen in this lucrative fishery.
More specifically, a subfamily of fish whose Indian subspecies is known as hilsa and the US species as American shad.
To spawn in late winter and early spring, Alabama shad ascended the Mississippi River and its major tributaries far inland, as well as other eastern drainages into the Gulf of Mexico.
Their instructors are members of the university faculty or local business people, some of whom are Shads themselves.
Private boats fishing the Yellow Can area have had reasonable amounts of cod to 7lb both on shads and baits, the former taking the bigger fish.
Along with partner Dave Noble, he won the 2010 $100,000 Cabela's Masters Walleye Circuit World Walleye Championship throwing Flicker Shads to current breaks in a rain-swollen Mississippi River, and is quick to sing its praises.
The majority of the cod to 11lb were taken on shads.
Meanwhile, juvenile gizzard shad feed on zooplankton and invertebrates near the surface and prefer the warmest water available during summer.
Again shads worked well, particularly blue or white.