分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Lebiasinidae (Pencilfishes) > Pyrrhulininae
Etymology: Nannostomus: Latin, nannus = small + Greek, stoma = mouth (Ref. 45335).
Taxonomic Remarks
The most recent distributional records were published by Weitzman & Weitzman (1982: Fig. 229). Most recent systematic description by Weitzman (1966). Occasionally exported as an aquarium fish, Weitzman et al. (2001).
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; pH range: 5.5 - 7.0; dH range: ? - 4. 熱帶; 23°C - 27°C (Ref. 1672)
South America: Coastal rivers of Suriname and French Guiana.
南美洲: 蘇利南與法屬圭亞那的沿海河川。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 3.4 cm SL 雄鱼/尚未辨别雌雄; (Ref. 37104)
Gregarious. Forms schools of about a dozen individuals. Frequently occurs upstream in counter current zones. Is an omnivore with a tendency to feed on insects (Ref. 12225). Crepuscular. Appreciated by aquarist notably for its tendency to live in groups and for it habit of swimming with the body oriented upwards. Reproduces in captivity. The spawned eggs, which are fixed to vegetal substrate, do not receive parental care (Ref. 27188).
群居的。 大约十二个个体形成鱼群。 时常在逆流区中向上游出现。 具有一个的一个杂食者是 , 趋向觅食昆虫.(参考文献 12225) 晨昏的。 对于它群居生活的趋向特别地获得水族馆赏识了与为它和身体游泳的习惯导向的向上。 繁殖在繁殖场。 鱼卵,那是附着在植物的底部, 不接受亲代养育.(参考文献 27188)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: 蘇利南與法屬圭亞那的沿海河川。
Weitzman, M. and S.H. Weitzman, 2003. Lebiasinidae (Pencil fishes). p. 241-251. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 37104)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
渔业: 商业性; 养殖: 商业性; 水族馆: 商业性
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): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00646 (0.00280 - 0.01488), b=3.13 (2.93 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 3.2 ±0.40 se; based on food items.
渔业脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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