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) > Pristellinae
Etymology: Hemigrammus: Greek, hemi = half + Greek, gramma = letter, signal (Ref. 45335).
Eponymy: Dr Robert Collett (1842–1913) was a Norwegian zoologist and ichthyologist. [...] (Ref. 128868), visit book page.
More on author: Steindachner.
Taxonomic Remarks
See Géry (1977: 446) for identification key.
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; pH range: 5.6 - 7.2; dH range: ? - 15. 熱帶; 23°C - 27°C (Ref. 1672)
South America: Amazon basin from Peru to the Guianas.
南美洲: 亞馬遜河流域從祕魯到圭亞那。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 6.4 cm TL 雄鱼/尚未辨别雌雄; (Ref. 116983)
Occurs in slow flowing areas of the main stream, over muddy bottoms (Ref. 12225). Considered gregarious and peaceful. Its reproduction in captivity would have been carried out for the first time in 1988 (Ref. 27188).
慢地出现于流动主要水流的区域, 在泥沙底上面.(参考文献 12225) 被认为是群居而和平的。 它的人工环境下的繁殖将会曾经第一次在 1988 年成功完成.(参考文献 27188)
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: 亞馬遜河流域從祕魯到圭亞那。
Lima, F.C.T., L.R. Malabarba, P.A. Buckup, J.F. Pezzi da Silva, R.P. Vari, A. Harold, R. Benine, O.T. Oyakawa, C.S. Pavanelli, N.A. Menezes, C.A.S. Lucena, M.C.S.L. Malabarba, Z.M.S. Lucena, R.E. Reis, F. Langeani, C. Moreira et al. …, 2003. Genera Incertae Sedis in Characidae. p. 106-168. 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. 38376)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
渔业: 商业性; 水族馆: 商业性
工具
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): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00599 - 0.01918), 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): 3.4 ±0.46 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 (10 of 100).
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