Tetragonopterus

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Tetragonopterus
Tetragonopterus argenteus 9246548.jpg
Tetragonopterus argenteus in Peru
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Characiformes
Family: Characidae
Subfamily: Tetragonopterinae
Gill, 1858
Genus: Tetragonopterus
G. Cuvier, 1816
Type species
Tetragonopterus argenteus
G. Cuvier, 1816

Tetragonopterus is a genus of fish in the family Characidae native to South America.

It is the only member of the subfamily Tetragonopterinae. The subfamily was originally much larger as previously defined, and contained many of the genera known as "tetras". [1] The name "tetra" derives from this former classification. [2]

Species

There are currently 13 recognized species of this genus: [3]

References

  1. ↑ Mirande, Juan Marcos (2019). "Morphology, molecules and the phylogeny of Characidae (Teleostei, Characiformes)". Cladistics. 35 (3): 282–300. doi:10.1111/cla.12345. hdl: 11336/86318 . ISSN   1096-0031.
  2. ↑ "Tetra | Freshwater, Care & Breeding | Britannica". www.britannica.com. Retrieved 2025-05-28.
  3. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Tetragonopterus". Catalog of Fishes . California Academy of Sciences . Retrieved 17 September 2025.
  4. ↑ 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.
  5. 1 2 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.
  6. 1 2 3 4 5 6 7 8 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.
  7. ↑ 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.
  8. ↑ Urbanski, B.Q., Melo, B.F., Silva, G.S.C. & Benine, R.C. (2018): A new species of Tetragonopterus (Characiformes: Characidae) from Central Amazon lowlands, Brazil. Neotropical Ichthyology, 16 (2).
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