分類 / Names
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Characiformes (Characins) >
Characidae (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
生態学
; 新鮮な水 底生の漂泳性. Tropical
South America: Río Mamore basin in Bolivia and Río Madre de Dios basin in Peru.
サイズ / 重さ / 年齢
Maturity: Lm ?  range ? - ? cm
Max length : 1.4 cm SL オス/雌雄の選別がない; (Ref. 109914)
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-1)
Human uses
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インターネットの情報源
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).
栄養段階 (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).