分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Acestrorhamphinae
Etymology: Astyanax: The name of Astyanax, Hector´s son in the Greek mythology (Ref. 45335).
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.
More on author: Jenyns.
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
; 淡水 底中水层性; pH range: 6.5 - 7.5; dH range: ? - 18. 亞熱帶的; 22°C - 26°C (Ref. 2059)
South America: Brazil and Argentina.
南美洲: 巴西與阿根廷。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 15.6 cm TL 雄鱼/尚未辨别雌雄; (Ref. 94838)
背棘 (总数) : 1; 背的软条 (总数) : 9; 臀棘: 3; 臀鳍软条: 22.
Body shape (shape guide): fusiform / normal.
Occurs in lentic environment (Ref. 11229).
出现于静水的环境。 (参考文献 11229)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: 巴西與阿根廷。
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)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-1)
人类利用
渔业: 没有兴趣
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特别资料
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Estimates based on models
Phylogenetic diversity index (参考文献
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00582 - 0.01799), b=3.12 (2.97 - 3.27), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 3.2 ±0.4 se; based on diet studies.
回复力 (参考文献
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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