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) > Pristellinae
Etymology: Hemigrammus: Greek, hemi = half + Greek, gramma = letter, signal (Ref. 45335).
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: Rio Araguaya basin in Brazil.
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 3.6 cm SL 雄鱼/尚未辨别雌雄; (Ref. 87321)
简单描述
检索表 | 型态特徵 | 形态测量图
Can be diagnosed from its closely related species Hemigrammus taphorni by the following characters: absence of humeral spot (vs. presence); a longitudinal band in the caudal region of the body and absence of caudal spot (vs. presence of caudal spot); 32-35 scales on lateral line (vs. 30-32) (Ref. 87321).
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Zarske, A., 2011. Hemigrammus filamentosus spec. nov. - der Südamerikanische Fadensalmler, ein neuer Salmler (Teleostei: Characiformes: Characidae) aus dem Araguaya-Becken in Brasilien. Vertebr. Zool. 61(1):3-12. (Ref. 87321)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
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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): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00513 - 0.03091), b=3.05 (2.85 - 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): 3.2 ±0.4 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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