分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Hyphessobryconinae
Etymology: Hyphessobrycon: Greek, hyphesson, -on, -on = a little smaller + Greek, bryko = to bite (Ref. 45335); paucilepis: Derived from the Greek words 'pauci', meaning few, and 'lepis', meaning scales, in reference to the low lateral and predorsal scale counts of this species.
环境：氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 底中水层性.
分布
领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
South America: known only from the type locality and small adjacent drainages in Lara state, northern Venezuela.
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 2.9 cm SL 雄鱼/尚未辨别雌雄; (Ref. 79635)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 11; 臀鳍软条: 23 - 24; 脊椎骨: 32. The following characters separate this species from all other Venezuelan congeners: dorsal fin with three unbranched and eight branched rays, except in Hyphessobrycon notidanos, Hyphessobrycon oritoensis, Hyphessobrycon fernandezi; maxilla short; maxilla with one pentacuspid tooth; dentary with eight teeth; premaxilla with 2-3 teeth in the outer row; lateral scales 28-29; predorsal scales 9; no sexual dimorphism; dark lateral band extending from the upper rear margin o the opercle to the caudal peduncle and continuing as a rhomboidal peduncular blotch onto the middle caudal fin rays (Ref. 79635).
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
García-Alzate, C.A., C. Román-Valencia and D.C. Taphorn, 2008. Revision of the Hyphessobrycon heterorhabdus-group (Teleostei: Characiformes: Characidae), with description of two new species from Venezuela. Vertebrate Zoology 58(2):139-157. (Ref. 79635)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
濒危 (EN) (B1ab(iii)+2ab(iii)); Date assessed: 17 May 2017
人类利用
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特别资料
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基于模型的估算
系统发育多样性指数 (参考文献
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (参考文献
69278): 2.9 ±0.3 se; based on size and trophs of closest relatives
回复力 (参考文献
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
渔业脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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