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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. Dr John Francis Bransford (1846–1911) was an assistant US naval surgeon (1872–1890) on the Nicaragua and Panama Canal surveys (1872–1888). [...] (Ref. 128868), visit book page.
More on author: Gill.

Issue
See Rosen (1972) for relationships of species.

Environment: milieu / climate zone / depth range / distribution range Ecologie

; zoet water benthopelagisch. Tropical; 23°C - 36°C (Ref. 36880)

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Central America: Nicaragua Lake and Managua Lake basins.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 15.0 cm SL mannelijk / geslacht onbekend; (Ref. 38376)

Inhabits rivers and streams of little to moderate velocity, occurring between 5 to 530 m elevation. Predator in lakes and rivers. Feeds principally on other fishes such as tetras, poeciliids and cichlids, but also consumes terrestrial and aquatic insects to a lesser degree (Ref. 36880).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

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Schmitter-Soto, J.J., 2017. A revision of Astyanax (Characiformes: Characidae) in Central and North America, with the description of nine new species. J. Nat. Hist. 51(23/24):1-94. (Ref. 118583)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)

Gevoelig (NT) (B1ab(iii)); Date assessed: 08 November 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 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).

Trofisch niveau (Ref. 69278): 3.8 ±0.60 se; based on food items.

Weerstandsvermogen (Ref. 120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Astyanax bransfordii (Gill, 1877)