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) >
Characidae (Characins; tetras)
脂鯉科 (Characins; tetras) > Stevardiinae
Etymology: Xenurobrycon: Greek, xenos = strange + Greek ,oura = tail + Greek, bryx, brykos = to bite (Ref. 45335).
More on author: Weitzman.
Issue
See Weitzman(1987) and Weitzman & Ortega (1995) records of distribution. See Weitzman (1987) and Weitzman & Menezes (1998) for relationships.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶
South America: Río Mamore basin in Bolivia and Río Madre de Dios basin in Peru.
南美洲: 玻利維亞， Rio Mamore 流域與祕魯， Rio 母親 de Dios 流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 1.4 cm SL 雄魚/尚未辨別雌雄; (Ref. 109914)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
南美洲: 玻利維亞， Rio Mamore 流域與祕魯， Rio 母親 de Dios 流域。
Weitzman, S.H. and H. Ortega, 1995. A new species of Tyttocharax (Teleostei: Characidae: Glandulocaudinae: Xenurobryconini) from the Rio Madre de Dios Basin of Peru. Ichthyol. Explor. Freshwat. 6(2):129-148. (Ref. 26646)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
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).
