Common names from other countries
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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); mexicanus: Astanax (Greek)=son of Hector; mexicanus (Latin)=from Mexico (Ref. 79012).
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; acqua dolce benthopelagico; potamodromo (Ref. 47195). Subtropical; 36°N - 24°N
North America: Mexico.
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.0 cm TL maschio/sesso non determinato; (Ref. 5723); common length : 7.5 cm TL maschio/sesso non determinato; (Ref. 12193)
Inhabits rocky and sandy bottoms of pools and backwaters of creeks and small to large rivers, and springs. Feeds on insects, crustaceans and worms (Ref. 7020). Migrates during winter to warmer areas (Ref. 47195).
Life cycle and mating behavior
Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve
Hides eggs in crevices.
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)
IUCN Red List Status (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
Pesca: di nessun interesse; Acquario: Commerciale
Strumenti
Special reports
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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=0.00933 (0.00560 - 0.01554), b=3.02 (2.88 - 3.16), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.38 se; based on food items.
Resilienza (Ref.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (33 of 100).