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Nannostomus unifasciatus Steindachner, 1876

Oneline pencilfish
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Image of Nannostomus unifasciatus (Oneline pencilfish)
Nannostomus unifasciatus
Male picture by Appleby, C.

分類 / Names 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).
More on author: Steindachner.

Issue
The most recent reference to distribution is by Weitzman & Cobb (1975) and Weitzman & Weitzman (1982), but due to a printer’s error Fig. 22.13 provides the correct distribution for Nannostomus unifasciatus, not Fig. 22.12. This species is frequently exported as an aquarium fish from at least Peru and Guyana.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水 底中水層性; pH range: 5.5 - 7.0; dH range: ? - 4. 熱帶; 25°C - 28°C (Ref. 1672)

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

South America: Parts of the Amazon basin of Bolivia, Brazil, and probably Colombia; the upper Orinoco basin of Venezuela, and Guyana.
南美洲: 玻利維亞巴西的亞馬遜河流域的部份, 與可能哥倫比亞; 委內瑞拉的奧里諾科河流域上游 , 與蓋亞那。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 3.8 cm SL 雄魚/尚未辨別雌雄; (Ref. 37104)

生物學特性     字彙 (例如 epibenthic)

Feeds on worms, crustaceans and insects (Ref. 7020).

吃蠕蟲，甲殼動物與昆蟲。 (參考文獻 7020)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚

南美洲: 玻利維亞巴西的亞馬遜河流域的部份, 與可能哥倫比亞; 委內瑞拉的奧里諾科河流域上游 , 與蓋亞那。

主要參考資料 Upload your references | 參考文獻 | 合作者 : Weitzman, Marilyn | 合作者

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)

  無危 (LC) ; Date assessed: 22 September 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





人類使用

漁業: 商業性; 水族館: 商業性
FAO - Publication: search | FishSource |

更多資訊

Trophic ecology
食物相
Diet compositions
Food consumptions
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捕食者
Ecology
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Population dynamics
Growths
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Length-weight rel.
Length-length rel.
長度-頻率
Mass conversions
Recruitments
Abundances
Life cycle
繁殖
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
仔魚
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Distribution
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Anatomy
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腦重體重比
Otoliths
Physiology
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游泳類型
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Visual pigment(s)
魚的聲音
Diseases / Parasites
Toxicities (LC50s)
Genetics
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水產養殖描述
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Stamps, coins, misc.
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Taxonomy
俗名
同種異名
型態特徵
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References
參考文獻

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網路資源

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00375 - 0.01534), b=3.14 (2.96 - 3.32), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
營養階層 (Ref. 69278):  3.3   ±0.40 se; based on food items.
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).
價格種類 (Ref. 80766):   Unknown.