''Odontesthes'' is a genus of

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 freshwater h ...

s. 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. 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 *Nu ...

. Some are commercially important and the target of fisheries.

Species

Several ''Odontesthes'' were formerly included in the genus ''

Basilichthys ''Basilichthys'' is a genus of Neotropical silversides native to freshwater habitats in Chile and Peru. Many species now placed in ''Odontesthes'' were formerly included in ''Basilichthys'' instead. Species The currently recognized species in t ...

'' 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 Islands, Juan Fernández an ...

'' ( Valenciennes, 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 nam ...

'' ( Valenciennes, 1835) (Argentinian silverside) * ''

Odontesthes brevianalis ''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 ...

'' ( Günther, 1880) * ''

Odontesthes crossognathos ''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 ...

'' Juliana M. Wingert et. alA New Species of Silverside of the Genus Odontesthes, 4 November 2022
/ref> * ''

Odontesthes gracilis ''Odontesthes gracilis'' is a species of fish in the family Atherinidae. It is endemic to the Juan Fernandez Islands off Chile. It occurs around the mouths of caves, in inlets and around piers. This is a species which can be found in freshwater, ...

'' (

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 ''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 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 ''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 mauleanum ''Odontesthe mauleanum'' is a species of fish in the family Atherinopsidae. It is Endemism, endemic to Chile. References

Odontesthes, mauleanum Freshwater fish of Chile Taxonomy articles created by Polbot {{Atheriniformes-stub ...

'' (

, 1896) * ''

Odontesthes mirinensis ''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 ...

'' 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'' 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'' ( 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, 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