| Sardinops | 
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| Scientific classification | 
| Domain: | Eukaryota | 
 
| Kingdom: | Animalia | 
 
| Phylum: | Chordata | 
 
| Class: | Actinopterygii | 
 
| Order: | Clupeiformes | 
 
| Family: | Alosidae | 
 
| Genus: | Sardinops C. L. Hubbs, 1929
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| Species: | S. sagax | 
| Binomial name | 
| Sardinops sagax 
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| Synonyms | 
| Clupea lata Richardson & Gray, 1843
Clupea sagax Jenyns, 1842
Arengus sagax (Jenyns, 1842)
Sardinops sagax sagax (Jenyns, 1842)
Clupea caerulea Mitchill, 1815
Sardina caerulea (Mitchill, 1815)
Clupea melanosticta Temminck & Schlegel, 1846
Sardinops melanostictus (Temminck & Schlegel, 1846)
Sardinops sagax melanosticta (Temminck & Schlegel, 1846)
Sardinops melanosticta (Temminck & Schlegel, 1846)
Sardinopus melanostictus (Temminck & Schlegel, 1846)
Clupea ocellata Pappe, 1853
Sardinops ocellata (Pappe, 1853)
Sardinops ocellatus (Pappe, 1853)
Meletta caerulea Girard, 1854
Clupanodon caeruleus (Girard, 1854)
Sardinops caerulea (Girard, 1854)
Sardinops caeruleus (Girard, 1854)
Sardinops sagax caeruleus (Girard, 1854)
Alosa musica Girard, 1855
Sardinops sagax musica (Girard, 1855)
Alausa californica Gill, 1862
Clupea advena Philippi, 1879
Clupea neopilchardus Steindachner, 1879
Sardina neopilchardus (Steindachner, 1879)
Sardinops neopilchardus (Steindachner, 1879)
Sardinops sagax neopilchardus (Steindachner, 1879)
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Sardinops is a monotypic genus of sardines of the family Alosidae. The only member of the genus is Sardinops sagax. It is found in the Indo-Pacific and East Pacific oceans. Its length is up to 40 cm (16 in). It has numerous common or vernacular names, some of which more appropriately refer to subspecies, including blue pilchard, Australian pilchard (S. s. neopilchardus), blue-bait, Californian pilchard (S. s. caeruleus), Peruvian Pacific sardine (S. s. sagax), South American pilchard, Chilean sardine (S. s. sagax), Japanese pilchard (S. s. melanostictus), Pacific sardine, and Southern African pilchard (S. s. ocellatus).