''Odontesthes'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

Neotropical silverside The Neotropical silversides are a family, Atherinopsidae, of fishes in the order Atheriniformes. About 112 species in 13 genera are distributed throughout the tropical and temperate waters of the New World, including both marine and freshwa ...

s. They are found in fresh,

brackish Brackish water, sometimes termed brack water, is water occurring in a natural environment that has more salinity than freshwater, but not as much as seawater. It may result from mixing seawater (salt water) and fresh water together, as in estuari ...

and salt water habitats in the southern half of South America (north to Brazil and Peru), as well as the offshore Juan Fernández and

Falkland Islands The Falkland Islands (; es, Islas Malvinas, link=no ) is an archipelago in the South Atlantic Ocean on the Patagonian Shelf. The principal islands are about east of South America's southern Patagonian coast and about from Cape Dubou ...

. Additionally, '' O. bonariensis'' has been introduced to other continents. The different ''Odontesthes'' species are generally quite similar in their appearance and some have been known to

hybridize Hybridization (or hybridisation) may refer to: * Hybridization (biology), the process of combining different varieties of organisms to create a hybrid * Orbital hybridization, in chemistry, the mixing of atomic orbitals into new hybrid orbitals * ...

. Some are commercially important and the target of fisheries.

Species

Several ''Odontesthes'' were formerly included in the genus '' Basilichthys'' instead. The currently recognized species of ''Odontesthes'' are: * ''

Odontesthes argentinensis ''Odontesthes'' is a genus of Neotropical silversides. They are found in fresh, brackish and salt water habitats in the southern half of South America (north to Brazil and Peru), as well as the offshore Juan Fernández and Falkland Islands. Addi ...

'' (

Valenciennes Valenciennes (, also , , ; nl, label=also Dutch, Valencijn; pcd, Valincyinnes or ; la, Valentianae) is a commune in the Nord department, Hauts-de-France, France. It lies on the Scheldt () river. Although the city and region experienced a ...

, 1835) * ''

Odontesthes bicudo ''Odontesthes'' is a genus of Neotropical silversides. They are found in fresh, brackish and salt water habitats in the southern half of South America (north to Brazil and Peru), as well as the offshore Juan Fernández and Falkland Islands. Addi ...

'' L. R. Malabarba & Dyer, 2002 * ''

Odontesthes bonariensis ''Odontesthes bonariensis'' is a species of Neotropical silverside, an euryhaline fish native to fresh, brackish and salt water in south-central and southeastern South America, but also introduced elsewhere. It is often known by the common name ...

'' (

, 1835) (Argentinian silverside) * '' Odontesthes brevianalis'' ( Günther, 1880) * '' Odontesthes crossognathos'' Juliana M. Wingert et. alA New Species of Silverside of the Genus Odontesthes, 4 November 2022
/ref> * '' Odontesthes gracilis'' (

Steindachner Franz Steindachner (11 November 1834 in Vienna – 10 December 1919 in Vienna) was an Austrian zoologist, ichthyologist, and herpetologist. He published over 200 papers on fishes and over 50 papers on reptiles and amphibians. Steindachner describ ...

, 1898) * ''

Odontesthes hatcheri ''Odontesthes'' is a genus of Neotropical silversides. They are found in fresh, brackish and salt water habitats in the southern half of South America (north to Brazil and Peru), as well as the offshore Juan Fernández and Falkland Islands. Addi ...

'' ( C. H. Eigenmann, 1909) * '' Odontesthes humensis'' F. de Buen, 1953 * ''

Odontesthes incisa ''Odontesthes'' is a genus of Neotropical silversides. They are found in fresh, brackish and salt water habitats in the southern half of South America (north to Brazil and Peru), as well as the offshore Juan Fernández and Falkland Islands. Addi ...

'' ( Jenyns, 1841) * '' Odontesthes ledae'' L. R. Malabarba & Dyer, 2002 * '' Odontesthes mauleanum'' (

, 1896) * '' Odontesthes mirinensis'' Bemvenuti, 1996 * ''

Odontesthes nigricans ''Odontesthes'' is a genus of Neotropical silversides. They are found in fresh, brackish and salt water habitats in the southern half of South America (north to Brazil and Peru), as well as the offshore Juan Fernández and Falkland Islands. Addi ...

'' ( J. Richardson, 1848) * ''

Odontesthes orientalis ''Odontesthes'' is a genus of Neotropical silversides. They are found in fresh, brackish and salt water habitats in the southern half of South America (north to Brazil and Peru), as well as the offshore Juan Fernández and Falkland Islands. Addi ...

'' F. de Buen, 1950 * ''

Odontesthes perugiae ''Odontesthes'' is a genus of Neotropical silversides. They are found in fresh, brackish and salt water habitats in the southern half of South America (north to Brazil and Peru), as well as the offshore Juan Fernández and Falkland Islands. A ...

'' Evermann & Kendall, 1906 * ''

Odontesthes piquava ''Odontesthes'' is a genus of Neotropical silversides. They are found in fresh, brackish and salt water habitats in the southern half of South America (north to Brazil and Peru), as well as the offshore Juan Fernández Islands, Juan Fernández an ...

'' L. R. Malabarba & Dyer, 2002 * ''

Odontesthes platensis ''Odontesthes'' is a genus of Neotropical silversides. They are found in fresh, brackish and salt water habitats in the southern half of South America (north to Brazil and Peru), as well as the offshore Juan Fernández and Falkland Islands. A ...

'' ( C. Berg, 1895) * ''

Odontesthes regia ''Odontesthes regia'' is a fish belonging to the family Atherinopsidae, commonly referred to in English as Chilean silverside, Peruvian silverside or sea silverside, and in Spanish as pejerrey or pejerrey de mar. This is an epipelagic species ...

'' (

Humboldt Humboldt may refer to: People * Alexander von Humboldt, German natural scientist, brother of Wilhelm von Humboldt * Wilhelm von Humboldt, German linguist, philosopher, and diplomat, brother of Alexander von Humboldt Fictional characters * ...

, 1821) (Chilean silverside) * ''

Odontesthes retropinnis ''Odontesthes'' is a genus of Neotropical silversides. They are found in fresh, brackish and salt water habitats in the southern half of South America (north to Brazil and Peru), as well as the offshore Juan Fernández and Falkland Islands. Addi ...

'' ( F. de Buen, 1953) * ''

Odontesthes smitti ''Odontesthes'' is a genus of Neotropical silversides. They are found in fresh, brackish and salt water habitats in the southern half of South America (north to Brazil and Peru), as well as the offshore Juan Fernández and Falkland Islands. Addi ...

'' ( Lahille, 1929) * ''

Odontesthes wiebrichi ''Odontesthes'' is a genus of Neotropical silversides. They are found in fresh, brackish and salt water habitats in the southern half of South America (north to Brazil and Peru), as well as the offshore Juan Fernández and Falkland Islands. Addi ...

'' ( C. H. Eigenmann, 1928) — validity uncertain * ''

Odontesthes yucuman ''Odontesthes'' is a genus of Neotropical silversides. They are found in fresh, brackish and salt water habitats in the southern half of South America (north to Brazil and Peru), as well as the offshore Juan Fernández and Falkland Islands. Addi ...

'' Wingert, Ferrer & Malabarba, 2017

References

Atherinopsidae {{Atheriniformes-stub