分类 / 名称
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 authors: Géry, Planquette & LeBail.
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 底中水层性. 熱帶
South America: French Guiana (?).
南美洲: 法屬圭亞那 (?)。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 15.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12225)
Usually captured upstream. Appears to stay in groups, in creeks with alternating zones of rapidly flowing waters with sandy bottoms and calm waters with silty bottoms (Ref. 12225).
通常向上游捕获。 似乎停留在群中, 在小溪中用淤泥底有交互的快速流动水域的区域且底部为沙地的地方而平静的水域.(参考文献 12225)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: 法屬圭亞那 (?)。
Planquette, P., P. Keith and P.-Y. Le Bail, 1996. Atlas des poissons d'eau douce de Guyane. Tome 1. Collection du Patrimoine Naturel Volume 22, MNHN, Paris & INRA, Paris. 429 p. (Ref. 12225)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
工具
特别资料
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网络资源
基于模型的估算
系统发育多样性指数 (参考文献 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01622 (0.00886 - 0.02969), b=3.04 (2.89 - 3.19), 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) |
2.9 ±0.4 se; based on size and trophs of closest relatives |
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.). |
渔业脆弱性 (Ref. 59153) |
Low vulnerability (24 of 100). 🛈 |