分類 / Names
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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); pardensis: Named for its type locality, Pardo river basin, Camacan, Bahiha, Brazil.
Eponymy: Astyanax was the son of Hector in Greek mythology. See Homer’s Iliad for details. The reasoning for its use for a genus of characins is not explained. (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水. Tropical
South America: Brazil.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 6.3 cm SL オス/雌雄の選別がない; (Ref. 126164)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 9; 臀鰭: 20 - 25. Astyanax pardensis of the A. fasciatus complex differs from the rest of the species in the group by the number of precaudal vertebrae 6 (vs. 17); by the zig-zag shape of first portion of longitudinal band; differs from A. jequitinhonhae by the shape of the mandible which is rounded (vs. acuminate) (Ref. 126164).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Salgado, F.L.K., 2021. Astyanax pardensis (Ostariophysi: Characiformes: Characidae), new species from Das Contas and Pardo Rivers Basins, Bahia, Brazil. Int. J. Zoo. Animal Biol. 4(5):1-8. (Ref. 126164)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)
Human uses
用具
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00493 - 0.02437), b=3.10 (2.93 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 2.9 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
