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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. Dom Pedro II (1825–1891), nicknamed ‘the Magnanimous’, was the last Emperor of Brazil. [...] (Ref. 128868), visit book page.
More on author: Eigenmann.
Issue
This species is incertae sedis in Characidae according to Reis et al. (2003: Ref. 048602). This species is uncertain in Eschmeyer (CofF ver. Jul. 2010: Ref. 84883). Please send references, or more studies are needed.
Environment: milieu / Zona climática / intervalo de profundidade / distribution range
Ecologia
; Água doce bentopelágico. Tropical
South America: Santo Antônio River basin in the upper Doce River drainage, Brazil.
Tamanho / Peso / Idade
Maturidade: Lm ?  range ? - ? cm
Max length : 7.8 cm SL macho/indeterminado; (Ref. 48602)
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Géry, J., 1977. Characoids of the world. Neptune City ; Reigate : T.F.H. [etc.]; 672 p. : ill. (chiefly col.) ; 23 cm. (Ref. 598)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2025-1)
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates based on models
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00493 - 0.02437), b=3.10 (2.93 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 2.9 ±0.4 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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