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Tetragonopterus

From Wikipedia, the free encyclopedia

Tetragonopterus
Tetragonopterus argenteus in Peru
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Division: Teleostei
Order: Characiformes
Family: Characidae
Subfamily: Tetragonopterinae
Gill, 1858[1]
Genus: Tetragonopterus
Cuvier, 1816[2]
Type species
Tetragonopterus argenteus
Cuvier, 1816[2]

Tetragonopterus is a genus of freshwater ray-finned fishes belonging to the family Characidae.[2] This fishes in this genus are found in South America.

It is the only genus in the subfamily Tetragonopterinae. The subfamily was originally much larger as previously defined, and contained many of the genera known as "tetras".[3] The name "tetra" derives from this former classification.[4]

Species

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Tetragonopterus contains the following valid species;[5]

References

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  1. Richard van der Laan; William N. Eschmeyer & Ronald Fricke (2014). "Family-group names of recent fishes". Zootaxa. 3882 (2): 1–230. doi:10.11646/zootaxa.3882.1.1. PMID 25543675.
  2. 1 2 3 Fricke, Ron; Eschmeyer, William N. & van der Laan, Richard (eds.). "Genera in the family Tetragonopterinae". Catalog of Fishes. California Academy of Sciences. Retrieved 1 October 2025.
  3. 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. PMID 34622981.
  4. "Tetra | Freshwater, Care & Breeding | Britannica". www.britannica.com. Retrieved 2025-05-28.
  5. Fricke, Ron; Eschmeyer, William N. & van der Laan, Richard (eds.). "Species in the genus Tetragonopterus". Catalog of Fishes. California Academy of Sciences. Retrieved 1 October 2025.