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
Ecology
Freshwater; benthopelagic. Tropical, preferred ?
South America: tributaries of the Rio Aricá-Mirim, Rio Cuiabá basin in Mato Grosso State, Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Short description
Morphology | Morphometrics
Distinguished from other species of Astyanax scabripinnis species complex by a combination of the following characters: 8-9 gill rakers on the upper limb of first branchial arch; 0-1 tooth on the maxillary; 17-21 branched anal-fin rays, 35-37 perforated lateral line scales; and two humeral spots (Ref. 86404).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Tagliacollo, V.A., R. Britzke, G.S.C. Silva and R.C. Benine, 2011. Astyanax pirapuan: a new characid species from the upper Rio Paraguay system, Mato Grosso, Central Brazil (Characiformes, Characidae). Zootaxa 2749:40-46. (Ref. 86404)
IUCN Red List Status (Ref. 109396)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
More information
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
Age/SizeGrowthLength-weightLength-lengthLength-frequenciesMorphometricsMorphologyLarvaeLarval dynamicsRecruitmentAbundance
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
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Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01230 (0.00551 - 0.02747), b=3.08 (2.89 - 3.27), based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic Level (Ref.
69278): 2.8 ±0.3 se; Based on size and trophs of closest relatives
Resilience (Ref.
69278): .
Vulnerability (Ref.
59153): Low vulnerability (10 of 100) .