分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | 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.
Issue
See Fink & Weitzman (1974:28) for a detailed description.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
; 淡水 底中水層性. 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 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 5.4 cm SL 雄魚/尚未辨別雌雄; (Ref. 38376)
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).
專門地住在 35 與 85 公尺海拔之間的海岸線, 河洄水區或其他的污濁生存環境的附近。 發現於靠近植物, 主要捕食菌絲藻與偶然地吃水生昆蟲.(參考文獻 36880)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
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Estimates based on models
Phylogenetic diversity index (參考文獻
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00428 - 0.02132), b=3.12 (2.93 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (參考文獻
69278): 2.6 ±0.27 se; based on food items.
回復力 (參考文獻
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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