分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins)
脂鯉目 (Characins) >
Hemiodontidae (Halftooths)
半齒脂鯉科 (Halftooths)
Etymology: Bivibranchia: Latin, bivium = a place where two ways meet; from Latin bi = two + latin, via = way; having or offering two ways; 1877 + Greek, brangchia = gills (Ref. 45335).
Eponymy: Henry Weed Fowler (1878–1965) was an American herpetologist, ornithologist, ichthyologist and artist. [...] (Ref. 128868), visit book page.
More on author: Steindachner.
Issue
No recent work; see Eigenmann (1912: 259) for description.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性; pH range: 5.5 - 7.6; dH range: ? - 25. 熱帶; 22°C - 28°C (Ref. 2060)
South America: Negro, Tocantins, Xingu, Tapajós, Madeira, Essequibo, and Orinoco River basins.
南美洲: 尼格羅河， Tocantins ， Xingu ， Tapajos ，馬得拉群島， Essequibo 與奧里諾科河河流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 19.2 cm TL 雄魚/尚未辨別雌雄; (Ref. 111518); 最大體重: 68.00 g (Ref. 111518)
Oviparous (Ref. 205).
卵生的.(參考文獻 205)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Distinct pairing (Ref. 205).南美洲: 尼格羅河， Tocantins ， Xingu ， Tapajos ，馬得拉群島， Essequibo 與奧里諾科河河流域。
Langeani, F., 2003. Hemiodontidae (Hemiodontids). p. 96-100. 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. 38289)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 14 August 2020
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00338 - 0.01026), b=3.20 (3.04 - 3.36), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 2.9 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
