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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); bacalarensis: Named for its type locality, Lake Bacalar in Quintana Roo, Mexico. An adjective..
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; air tawar bentopelagis. Tropical
Central America: Quintana Roo, Caribbean versant of Yucatan Peninsula in Mexico, south to the Sittie River, Toledo district in Belize, west to Mopán in Guatemala.
Size / Weight / umur
Maturity: Lm ?  range ? - ? cm
Max length : 9.5 cm SL jantan/; (Ref. 118583)
deskripsi pendek
Morfologi | Morfometrik
duri punggung lunak (Keseluruhan (total)): 9-11; Sirip dubur lunak: 21 - 27; vertebrata, bertulang belakang: 32 - 33. Astyanax bacalarensis is distinguished from its congeners in the Yucatan by the following characters: anal fin origin never overlapping last dorsal-fin ray (always overlapping in A. altior); head length 28% SL or less (27% or more in A. altior); predorsal length, mean 50.4% SL (mean 53% or more in A. altior and A. angustifrons); mean distance between origins of pelvic and anal fins, 20.5% SL (vs. mean 19.3% or less); humeral spot rectangular-triangular to oval (P-shaped to indistinct in A. belizianus and A. brevimanus) (Ref. 118583).
Life cycle and mating behavior
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
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)
Status IUCN Red List (Ref. 130435)
ancaman kepada manusia
Harmless
penggunaan manusia
informasi lanjut
Nama-nama umumSinonim (persamaan)metabolismePemangsaEkotoksikologiReproduksi, perkembang biakanKematanganPemijahanSpawning aggregationFecunditytelur-telurpekembangan telor
Umur / SaizPertumbuhanpanjang-beratpanjang-panjangukuran frekuensiMorfometrikMorfologiLarvaDinamika larvapemulihanKelimpahanBRUVS
AcuanBudidaya airprofil budidaya airStrainGenetikaElectrophoresesDiturunkanPenyakit-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.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00526 - 0.02507), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.9 ±0.4 se; based on size and trophs of closest relatives
Daya lenting (Ref.
120179): Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).