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) > Rhoadsiinae
Eponymy: Professor Dr Carl Henry Eigenmann (1863–1927). (See Eigenmann, CH) Professor Dr Carl Henry Eigenmann (1863–1927) was a German-born American ichthyologist. [...] (Ref. 128868), visit book page.
More on author: Meek.
Taxonomic Remarks
See Fink & Weitzman (1974:28) for a detailed description.
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; 24°C - 36°C (Ref. 36880)
Central America: Pacific and Atlantic drainages from Nicaragua to Panama.
中美洲: 來自尼加拉瓜到巴拿馬的太平洋與大西洋的流域。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 5.6 cm SL 雄鱼/尚未辨别雌雄; (Ref. 137577)
Lives exclusively near the shoreline, river backwaters or other stagnant biotopes between 35 and 85 m elevation. Found near vegetation, feeding mainly on filamentous algae and occasionally on aquatic insects (Ref. 36880).
专门地住在 35 与 85 公尺海拔之间的海岸线, 河洄水区或其他的污浊生存环境的附近。 发现于靠近植物, 主要捕食菌丝藻与偶然地吃水生昆虫.(参考文献 36880)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
中美洲: 來自尼加拉瓜到巴拿馬的太平洋與大西洋的流域。
Cardoso, A.R., 2003. Subfamily Rhoadsiinae (Characins, tetras). p. 213-214. 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. 38501)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
易受伤害 (VU) (B1ab(iii)); Date assessed: 27 March 2019
人类利用
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特别资料
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基于模型的估算
系统发育多样性指数 (参考文献 82804) |
PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
营养阶层 (参考文献 69278) |
2.6 ±0.27 se; based on food items. |
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 (12 of 100). 🛈 |