分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins)
脂鯉目 (Characins) >
Lebiasinidae (Pencilfishes)
鮰脂鯉科 (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).
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水 底中水層性; 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 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 3.4 cm SL 雄魚/尚未辨別雌雄; (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。 大約十二個個體形成魚群。 時常在逆流區中向上游出現。 具有一個的一個雜食者是 , 趨向覓食昆蟲.(參考文獻 12225) 晨昏的。 對於它群居生活的趨向特別地獲得水族館賞識了與為它和身體游泳的習慣導向的向上。 繁殖在繁殖場。 魚卵,那是附著在植物的底部, 不接受親代養育.(參考文獻 27188)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 16 November 2020
人類使用
漁業: 商業性; 養殖: 商業性; 水族館: 商業性
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基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00661 (0.00287 - 0.01523), b=3.13 (2.93 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
營養階層 (參考文獻 69278) |
3.2 ±0.40 se; based on food items. |
釣魚的脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |
價格種類 (Ref. 80766) |
Unknown.
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