Biology:Acestrorhamphidae

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Acestrorhamphidae, the American tetras, are a diverse family of freshwater fish in the order Characiformes. They are native to North and South America, from the southwestern United States south to temperate Argentina, with a few species introduced to other parts of the world. It includes many genera previously placed in the family Characidae, which was split into multiple families in 2024. It contains many of the most famous ornamental aquarium fish that are popularly known as tetras.[1][2][3]

Taxonomy

The Mexican tetra (Astyanax mexicanus) is the northernmost-living characiform, and has both surface and blind cave-dwelling morphs
Neon tetra (Paracheirodon innesi)
Black phantom tetra (Hyphessobrycon megalopterus)

The following taxonomy is based on Eschmeyer's Catalog of Fishes:[2][3]

Family Acestrorhamphidae

  • Subfamily Hyphessobryconinae Lima, Carvalho & Faria, 2024 (multicusp characins)

References

  1. Fricke, R.; Eschmeyer, W. N.; Van der Laan, R. (2025). "ESCHMEYER'S CATALOG OF FISHES: CLASSIFICATION" (in en). https://www.calacademy.org/eschmeyers-catalog-of-fishes-classification. 
  2. 2.0 2.1 Melo, Bruno F; Ota, Rafaela P; Benine, Ricardo C; Carvalho, Fernando R; Lima, Flavio C T; Mattox, George M T; Souza, Camila S; Faria, Tiago C et al. (2024-09-01). "Phylogenomics of Characidae, a hyper-diverse Neotropical freshwater fish lineage, with a phylogenetic classification including four families (Teleostei: Characiformes)". Zoological Journal of the Linnean Society 202 (1). doi:10.1093/zoolinnean/zlae101. ISSN 0024-4082. https://academic.oup.com/zoolinnean/article-abstract/202/1/zlae101/7748269?redirectedFrom=fulltext. 
  3. 3.0 3.1 Eschmeyer, William N.; Fricke, Ron; van der Laan, Richard, eds. "Genera in the family Acestrorhamphidae". California Academy of Sciences. http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatget.asp?tbl=genus&family=Acestrorhamphidae. 
  4. Netto-Ferreira, A.L., Birindelli, J.L.O., de Sousa, L.M., Mariguela, T.C. & Oliveira, C. (2013): A New Miniature Characid (Ostariophysi: Characiformes: Characidae), with Phylogenetic Position Inferred from Morphological and Molecular Data. PLoS ONE, 8 (1): e52098. doi:10.1371/journal.pone.0052098
  5. Ohara, W.M., Mirande, J.M. & Lima, F.C.T.d. (2017): Phycocharax rasbora, a new genus and species of Brazilian tetra (Characiformes: Characidae) from Serra do Cachimbo, rio Tapajós basin. PLoS ONE, 12 (2): e0170648.

Wikidata ☰ Q130251174 entry