分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Crenuchidae (South American darters) > Characidiinae
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335); tupi: Name 'tupi' in honor of Tupi, as a legendary character from the Tupi-Guarani mythology, a root to many indigenous nations in Brazil, and an old language.
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 : 7.2 cm SL 雄鱼/尚未辨别雌雄; (Ref. 138489)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 8 - 9; 臀鳍软条: 5 - 6; 脊椎骨: 33 - 35.
Body shape (shape guide): elongated.
This species inhabits streams with fast-flowing, transparent to slightly dark waters, lined with substrate composed of medium to large sized stones or rocks (Ref. 138489).
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Zanata, A.M. and L. Oliveira-Silva, 2025. A new South American darter (Crenuchidae: Characidium) from rivers draining the Northeastern Mata Atlantica Freshwater Ecoregion, Brazil: morphological and molecular evidence. J. Fish Biol. 1-13. (Ref. 138489)
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
下载 XML
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): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00452 - 0.02316), b=3.07 (2.89 - 3.25), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 3.5 ±0.3 se; based on size and trophs of closest relatives
渔业脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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