分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Characidae (Characins; tetras) > Stevardiinae
Etymology: Xenurobrycon: Greek, xenos = strange + Greek ,oura = tail + Greek, bryx, brykos = to bite (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 热带
South America: rio Araguaia basin in Brazil.
南美洲: 在巴西的 rio Araguaia 流域。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 1.5 cm SL 雄鱼/尚未辨别雌雄; (Ref. 109914)
简单描述
检索表 | 型态特徵 | 形态测量图
Anal-fin hooks of mature males restricted to the last unbranched and first four, rarely five, branched rays. Absence of a semicircular flange-like process on principal caudal-fin ray 18 and of an adipose fin and presence of seven pelvic-fin rays and only conical teeth (Ref. 56894).
成熟雄性的臀鳍钩局限于了最后的不分枝的与最先的四个, 很少地五, 分支条。 没有在主要的尾鳍鳍条 18 上的一个半圆的像边缘一样的突起与脂鳍而且有七个腹鳍鳍条与唯一的锥形齿.(参考文献 56894)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: 在巴西的 rio Araguaia 流域。
Moreira, C.R., 2005. Xenurobrycon coracoralinae, a new glandulocaudine fish (Ostariophysi: Characiformes: Characidae) from central Brazil. Proc. Biol. Soc. Wash. 118(4):855-862. (Ref. 56894)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)
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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).
营养阶层 (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
