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).
More on authors: Eigenmann & Myers.
Issue
No recent work; see Eigenmann & Myers (1927: 565) for description.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶
South America: Xingu and Tocantins River basins in Brazil.
南美洲: Xingu 與 Tocantins 河流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 16.3 cm TL 雄魚/尚未辨別雌雄; (Ref. 111518); 最大體重: 42.00 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: Xingu 與 Tocantins 河流域。
Vari, R.P., 1985. A new species of Bivibranchia (Pisces: Characiformes) from Surinam, with comments on the genus. Proc. Biol. Soc. Wash. 98(2):511-522. (Ref. 28819)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
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=0.00513 (0.00293 - 0.00898), b=3.17 (3.01 - 3.33), 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).
