分类 / Names
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Teleostei >
Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
Etymology: Astyanax: The name of Astyanax, Hector´s son in the Greek mythology (Ref. 45335).
More on authors: Hubbs & Innes.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性; pH range: 6.0 - 7.8; dH range: ? - 30; 非迁移的. 热带; 20°C - 25°C (Ref. 1672); 25°N - 21°N
North America: Mexico.
北美洲: 墨西哥。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 10.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. )
A blind cave fish that recently evolved from the surface form Astyanax mexicanus. A length estimate for this species is 10 cm (Glenn Owens, pers.comm. 2009).
最近从表面形式 Astyanax mexicanus 进化了的一个盲眼的穴居鱼类.
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Expels eggs in a more or less haphazard fashion, the substrate on which the species spawns must have crevices and pores into which the adhesive eggs can roll and be hidden so to prevent predation by its parents or other cave inhabitants.北美洲: 墨西哥。
Proudlove, G.S., 1997. A synopsis of the hypogean fishes of the world. p. 351-354. In Proceedings of the 12th International Congress of Speleology, La Chaux de Fonds, Switzerland. vol. 3. (Ref. 27297)
世界自然保护联盟红皮书 (Ref. 130435)
濒危 (EN) (B1ab(i,iii)); Date assessed: 26 February 2018
人类利用
渔业: 没有兴趣; 水族馆: 商业性
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年龄范围
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仔鱼
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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).
营养阶层 (Ref.
69278): 2.9 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
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).