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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Acestrorhamphinae
Etymology: Astyanax: The name of Astyanax, Hector´s son in the Greek mythology (Ref. 45335).
Eponymy: Astyanax was the son of Hector in Greek mythology. See Homer’s Iliad for details. The reasoning for its use for a genus of characins is not explained. (Ref. 128868), visit book page.
More on author: Eigenmann.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal; pH range: 5.8 - 7.5; dH range: ? - 20. Tropical; 22°C - 25°C (Ref. 1672)
South America: Cauca River basin.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.0 cm SL male/unsexed; (Ref. 38376)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ruiz-C., R.I. and C. Román-Valencia, 2006. Osteología de Astyanax aurocaudatus Eigenmann, 1913 (Pisces, Characidae), con notas sobre la validez de Carlastyanax Géry, 1972. Animal Biodiversity and Conservation 29(1):49-64. (Ref. 85145)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: commercial; aquarium: commercial
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