Common names from other countries
分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
Etymology: Astyanax: The name of Astyanax, Hector´s son in the Greek mythology (Ref. 45335); mexicanus: Astanax (Greek)=son of Hector; mexicanus (Latin)=from Mexico (Ref. 79012).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性; 河川洄游 (Ref. 47195). 亞熱帶的; 36°N - 24°N
North America: Mexico.
北美洲: 本來在美國德州侷限於 Nueces, Rio Grande 下游與佩科斯河流域下游了; 現在在德克薩斯 (主要地溪流在愛德華湖高地上) 與美國新墨西哥州建立了其他地方;(在佩科斯河系統各處) 也在東方與墨西哥中部中。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 12.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5723); common length : 7.5 cm TL 雄鱼/尚未辨别雌雄; (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).
栖息于小溪与小型到大型河川的深潭与滞水区的岩质与砂质底部 , 与泉水。 吃昆虫,甲壳动物与蠕虫。 (参考文献 7020) 在冬天到使热的人区域的时候回游。 (参考文献 47195)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
Hides eggs in crevices. 北美洲: 本來在美國德州侷限於 Nueces, Rio Grande 下游與佩科斯河流域下游了; 現在在德克薩斯 (主要地溪流在愛德華湖高地上) 與美國新墨西哥州建立了其他地方;(在佩科斯河系統各處) 也在東方與墨西哥中部中。
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)
CITES (Ref. 128078)
Not Evaluated
人类利用
渔业: 没有兴趣; 水族馆: 商业性
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特别资料
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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=0.00933 (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).
营养阶层 (Ref.
69278): 3.2 ±0.38 se; based on food items.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (33 of 100).