Astyanax mexicanus, Mexican tetra : aquarium

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Astyanax mexicanus (De Filippi 1853)

Mexican tetra
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Astyanax mexicanus
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Classification / Names Nomi Comuni | Sinonimi | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Characidae (Characins) > Stethaprioninae
Etymology: Astyanax: The name of Astyanax, Hector´s son in the Greek mithology (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

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

North America: originally restricted to the Nueces, lower Rio Grande and the lower Pecos River drainages in Texas, USA; now established elsewhere in Texas (primarily streams on Edwards Plateau) and New Mexico, USA (throughout Pecos River system); also in eastern and central 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)

Biologia     Glossario (es. epibenthic)

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 Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve

Hides eggs in crevices.

Main reference Upload your references | Bibliografia | Coordinatore | Collaboratori

Lima, F.C.T., L.R. Malabarba, P.A. Buckup, J.F. Pezzi da Silva, R.P. Vari, A. Harold, R. Benine, O.T. Oyakawa, C.S. Pavanelli, N.A. Menezes, C.A.S. Lucena, M.C.S.L. Malabarba, Z.M.S. Lucena, R.E. Reis, F. Langeani, C. Moreira et al. …, 2003. Genera Incertae Sedis in Characidae. p. 106-168. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 38376)

IUCN Red List Status (Ref. 123251)

  Least Concern (LC) ; Date assessed: 08 September 2018

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Pesca: di nessun interesse; Acquario: Commerciale
FAO(Publication : search) | FishSource |

Informazioni ulteriori

Nomi Comuni
Sinonimi
Metabolismo
Predatori
Ecotossicologia
Riproduzione
Maturità
Deposizione
Spawning aggregation
Fecundity
Uova
Egg development
Age/Size
Accrescimento
Length-weight
Length-length
Length-frequencies
Morfometria
Morfologia
Larve
Dinamica popolazioni larvali
Reclutamento
Abbondanza
BRUVS
Bibliografia
Acquacoltura
Profilo di acquacoltura
Varietà
Genetica
Frequenze alleliche
Ereditarietà
Malattie
Elaborazione
Mass conversion
Collaboratori
Immagini
Stamps, Coins Misc.
Suoni
Ciguatera
Velocità
Modalità di nuoto
Area branchiale
Otoliths
Cervelli
Vista

Strumenti

Special reports

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Fonti Internet

Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishipedia | Fishtrace | GenBank(genome, nucleotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | Acquari pubblici | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia(Go, ricerca) | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00589 - 0.01548), b=3.00 (2.86 - 3.14), 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.
Generation time: 4.4 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
Resilienza (Ref. 120179):  .
Vulnerability (Ref. 59153):  Low to moderate vulnerability (33 of 100) .