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Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
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. This is a toponym referring to the Río Magdalena, western Colombia, where these species are found. (Ref. 128868), visit book page.
More on authors: Eigenmann & Henn.
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique. Tropical
South America: Colombian rivers and the Catatumbo River basin.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 17.3 cm SL mâle / non sexé; (Ref. 96636); poids max. publié: 108.10 g (Ref. 96636)
Inhabits swamps or marshes and rivers (Ref. 26543). Omnivore, feeds on plants, phytoplankton and invertebrates mixed with slime (Ref. 26543).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Galvis, G., J.I. Mojica and M. Camargo, 1997. Peces del Catatumbo. Asociación Cravo Norte, Santafé de Bogotá, D.C., 188 p. (Ref. 26543)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01622 (0.00906 - 0.02903), b=3.03 (2.88 - 3.18), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 2.6 ±0.21 se; based on food items.
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).