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) > Thayeriinae
Etymology: Rachoviscus: Because of Arthur Rachovii, German ichthyiologis (Ref. 45335).
Eponymy: Arthur Rachow (1884–1960) was a self-taught pioneer German aquarist. [...] (Ref. 128868), visit book page.
More on author: Myers.
Taxonomic Remarks
See Weitzman & Cruz (1981) for redescription.
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: ? - 18. 熱帶; 20°C - 25°C (Ref. 2059)
分布
领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
South America: Coastal river basins of Paraná and northern Santa Catarina, Brazil.
南美洲: Parana 與北方的巴西聖保羅的海岸河流域。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 3.9 cm SL 雄鱼/尚未辨别雌雄; (Ref. 38376)
Maximum length 4.5 cm TL in Ref. 2059.
参考文献 2059 的最大长度 4.5 公分TL.
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: Parana 與北方的巴西聖保羅的海岸河流域。
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))
易受伤害 (VU) (B1ab(iii)); Date assessed: 18 May 2022
人类利用
工具
特别资料
下载 XML
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): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00417 - 0.02880), b=3.08 (2.86 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 3.1 ±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 (10 of 100).
🛈