Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Characiformes
(Characins) > Characidae
(Characins) > Incertae sedis
Etymology: Astyanax: The name of Astyanax, Hector´s son in the Greek mithology (Ref. 45335).
Environment / Climate / Range
Freshwater; benthopelagic; potamodromous (Ref. 51243). Subtropical; 20°C - 25°C (Ref. 2059)
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 16.8 cm TL male/unsexed; (Ref. 79585); common length : 12.0 cm SL male/unsexed; (Ref. 56003); max. published weight: 69.70 g (Ref. 79585)
North, Central and South America: most freshwater basins from Mexico to Argentina.
Inhabits streams and rivers without strong currents (Ref. 26543) and lentic areas (Ref. 1129). Vivacious, eats small fish and will bite pieces of meat (Ref. 5518). Sometimes used as table fish; flesh of good flavor but with lots of fish bones.
Galvis, G., J.I. Mojica and M. Camargo, 1997. Peces del Catatumbo. Asociación Cravo Norte, Santafé de Bogotá, D.C., 188 p.
IUCN Red List Status (Ref. 90363)
Threat to humans
Fisheries: minor commercial
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02000 (0.01122 - 0.03564), b=3.03 (2.87 - 3.19), based on LWR estimates for species & Subfamily-BS (Ref. 93245
Trophic Level (Ref. 69278
): 2.8 ±0.3 se; Based on diet studies.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (12 of 100) .