Hyphessobrycon agulha

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Hyphessobrycon agulha
Hyphessobrycon agulha by Rafael Leitao.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Characiformes
Family: Acestrorhamphidae
Genus: Hyphessobrycon
Species:
H. agulha
Binomial name
Hyphessobrycon agulha
Fowler, 1913 [2]

Hyphessobrycon agulha, red-tailed flag tetra, is a species of freshwater ray-finned fish belonging to the family Acestrorhamphidae, the American characins. [2] This fish is found in the basin of the Madeira River in Brazil along with parts of Peru and Bolivia, and it reaches a maximum length of 4.3 centimetres (1.7 in). [3] Though it is mainly found in the wild, it is occasionally kept by fishkeepers [4] and is sometimes confused with the neon tetra. [5] The fish is primarily an insectivore, though it does eat vegetable matter. [6] It is considered to form a group with other species in Hyphessobrycon as they share a dark stripe running lengthwise. [7]

While its name comes from the native name for this species along the Madeira River in Brazil, [8] the fish also occurs in Colombia and Peru.

References

  1. Lima, F. (2023). "Hyphessobrycon agulha". IUCN Red List of Threatened Species . 2023 e.T49829494A159672113. doi: 10.2305/IUCN.UK.2023-1.RLTS.T49829494A159672113.en . Retrieved 27 December 2023.
  2. 1 2 Fricke, Ron; Eschmeyer, William N. & van der Laan, Richard (eds.). "Species in the genus Hyphessobrycon". Catalog of Fishes . California Academy of Sciences . Retrieved 29 October 2025.
  3. Froese, Rainer; Pauly, Daniel (eds.). "Hyphessobrycon agulha". FishBase . November 2017 version.
  4. "Hyphessobrycon agulha - Fowler, 1913". Seriously Fish. 2017. Retrieved 25 November 2017.
  5. Axelrod, N.H.; Emmens, C.W.; Sculthorpe, D.; Vorderwinkler, W.; Pronek, N. (1962). Exotic Tropical Fishes. Sterling Publishing Company.
  6. Cyrino, J.E.P (10 January 2008). Feeding and Digestive Functions in Fishes. Boca Raton: CRC Press. p. 17. ISBN   978-1-4398-4269-0.
  7. Ho, Leonard (14 April 2017). "A new tetra fish from Columbia". Advanced Aquarist. Pomacanthus Publications. Archived from the original on 1 December 2017. Retrieved 26 November 2017.
  8. Christopher Scharpf (3 October 2025). "Family ACESTRORHAMPHIDAE Eigenmann 1907 (American Tetras)". The ETYFish Project Fish Name Etymology Database. Retrieved 29 October 2025.