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) > Tyttobryconinae
Etymology: Priocharax: Greek, prio = to saw + Greek, charax, -akos = a fish without identification (Ref. 45335); robbiei: Name 'robbiei' in honor of Roberto 'Robbie' Taliaferro Mattox Jr., the father of the author, who passed away while G.M.T.M (one of the authors) was in the field collecting the type series.
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: Brazil.
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 1.6 cm SL 雄鱼/尚未辨别雌雄; (Ref. 137886)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 7 - 9; 臀鳍软条: 20 - 28; 脊椎骨: 32 - 34. This species is distinguished from its congeners by the following set of characters: claustrum absent; two postcleithra; number of branched anal-fin rays 20-28, mode 25; five branched pelvic-fin rays; adipose fin absent; and a round flap of skin between contralateral pelvic-fins bases absent (Ref. 137885).
Body shape (shape guide): elongated; Cross section: compressed.
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Lopez, G.G.S., C.S. Souza, L. Reia, L.A. Mantuaneli, B.F. Morales, F.C.T. Lima, C. Oliveira and G.M.T. Mattox, 2025. Two new species of Miniature tetras of the genus Priocharax (Teleostei: Characiformes: Acestrorhamphidae) from the Rio Purus and Solimões Drainages, Amazonas, Brazil Taxonomy 5:36. (Ref. 137886)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
渔业: 没有兴趣
工具
特别资料
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网络资源
基于模型的估算
系统发育多样性指数 (参考文献 82804) |
PD50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
营养阶层 (参考文献 69278) |
3.0 ±0.4 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). 🛈 |