''Tetragonopterus'' 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 nom ...

fish Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of ...

in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Characidae Characidae, the characids or characins is a family of freshwater subtropical and tropical fish, belonging to the order Characiformes. The name "characins" is the historical one, but scientists today tend to prefer "characids" to reflect their ...

native to

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the sout ...

Species

There are currently 12 recognized species of this genus: * '' Tetragonopterus anostomus'' G. S. C. Silva & Benine, 2011 Silva, G.S.C. & Benine, R.C. (2011)
A new species of ''Tetragonopterus'' Cuvier, 1816 (Characiformes, Characidae, Tetragonopterinae) from the upper rio Araguaia, Central Brazil.
''Zootaxa, 2911: 50–56.'' * '' Tetragonopterus araguaiensis'' G. S. C. Silva, B. F. Melo, C. de Oliveira & Benine, 2013 Silva, G.S.C., Melo, B.F., Oliveira, C. & Benine, R.C. (2013)
Morphological and molecular evidence for two new species of ''Tetragonopterus'' (Characiformes: Characidae) from central Brazil.
''Journal of Fish Biology, 82 (5): 1613-1631.'' * '' Tetragonopterus argenteus''

G. Cuvier Jean Léopold Nicolas Frédéric, Baron Cuvier (; 23 August 1769 – 13 May 1832), known as Georges Cuvier, was a French naturalist and zoologist, sometimes referred to as the "founding father of paleontology". Cuvier was a major figure in nat ...

, 1816 * '' Tetragonopterus carvalhoi'' B. F. Melo, Benine, Mariguela & C. de Oliveira, 2011 Melo, B.F., Benine, R.C., Mariguela, T.C. & Oliveira, C. (2011)
A new species of ''Tetragonopterus'' Cuvier, 1816 (Characiformes: Characidae: Tetragonopterinae) from the rio Jari, Amapá, northern Brazil.
''Neotropical Ichthyology, 9 (1): 49-56.'' * '' Tetragonopterus chalceus'' Agassiz, 1829 * '' Tetragonopterus denticulatus'' G. S. C. Silva, B. F. Melo, C. de Oliveira & Benine, 2013 * '' Tetragonopterus franciscoensis'' G. S. C. Silva, B. F. Melo, C. de Oliveira & Benine, 2016 Silva, G.S.C., Melo, B.F., Oliveira, C. & Benine, R.C. (2016): Revision of the South American genus ''Tetragonopterus'' Cuvier, 1816 (Teleostei: Characidae) with description of four new species. ''Zootaxa, 4200 (1): 1–46.'' * '' Tetragonopterus georgiae'' (

Géry Géry () is a commune in the Meuse department in Grand Est in north-eastern France. See also *Communes of the Meuse department The following is a list of the 499 communes of the Meuse department of France. The communes cooperate in the fo ...

, 1965) * '' Tetragonopterus juruena'' G. S. C. Silva, B. F. Melo, C. de Oliveira & Benine, 2016 * '' Tetragonopterus kuluene'' G. S. C. Silva, B. F. Melo, C. de Oliveira & Benine, 2016 * '' Tetragonopterus ommatus'' G. S. C. Silva, B. F. Melo, C. de Oliveira & Benine, 2016 * '' Tetragonopterus rarus'' ( Zarske,

& Isbrücker, 2004)

References

Characidae Fish of South America Freshwater fish genera Taxa named by Georges Cuvier {{Characiformes-stub