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Characiformes (Characins) >
Characidae (Characins; tetras) > 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
Ekologi
; air tawar bentopelagis; potamodromous (Ref. 47195); kisaran kedalaman - m (Ref. ), usually - m (Ref. ). Subtropical; 0°C - ; 36°N - 24°N
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 / Weight / umur
Maturity: Lm ? range ? - ? cm
Max length : 12.0 cm TL jantan/; (Ref. 5723); common length : 7.5 cm TL jantan/; (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
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
Hides eggs in crevices.
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)
Status IUCN Red List (Ref. 124695)
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: tidak ada kepentingan; Akuarium: Komersial
informasi lanjut
AcuanBudidaya airprofil budidaya airStrainGenetikaFrekuensi alelDiturunkanPenyakit-penyakitPengolahanNutrientsMass conversion
mitraGambarStamps, Coins Misc.Suara-suaraCiguateraKecepatanTipe renangArea insangOtolithsOtakPenglihatan / visi
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates 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=0.00933 (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.
Generation time: 4.4 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
Daya lenting (Ref.
120179): Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.).
keancaman (Ref.
59153): Low to moderate vulnerability (33 of 100) .
