Atlantic thread herring

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Atlantic thread herring
Opisthonema oglinum.jpg
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Clupeiformes
Family: Clupeidae
Genus: Opisthonema
Species: O. oglinum
Binomial name
Opisthonema oglinum
(Lesueur, 1818)

The Atlantic thread herring (Opisthonema oglinum) is a herring-like fish in the family Clupeidae.

It has a dark blue-gray back, silvery sides, a white belly and a small head. It grows up to 38 cm in length. It can be found in shallow waters and harbors along the coasts of the western Atlantic Ocean, from Cape Cod down to Brazil, including the Gulf of Mexico. It feeds mainly on plankton, but also takes small fish and crustaceans.

It is confused with the scaled sardine, Harengula jaguana, by anglers.


Atlantic thread herring has a slightly milder taste than most species of herring, it can be served raw, pickled, grilled or cooked.