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Nannostomus bifasciatus Hoedeman, 1954

Whiteside pencilfish
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Nannostomus bifasciatus
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分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Lebiasinidae (Pencilfishes) > Pyrrhulininae
Etymology: Nannostomus: Latin, nannus = small + Greek, stoma = mouth (Ref. 45335).

Issue
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).

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

; 新鮮な水 底生の漂泳性; pH range: 5.5 - 7.0; dH range: ? - 4. Tropical; 23°C - 27°C (Ref. 1672)

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

South America: Coastal rivers of Suriname and French Guiana.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 3.4 cm SL オス/雌雄の選別がない; (Ref. 37104)

生物学     用語集 (例 epibenthic)

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).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生

主な参考文献 Upload your references | 参考文献 | コーディネーター : Weitzman, Marilyn | 協力者

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のレッドリストの状況は (Ref. 130435: Version 2024-1)

  軽度懸念 (LC) ; Date assessed: 16 November 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

水産業: 商業; 水産養殖: 商業; 水族館・水槽: 商業
FAO - Publication: search | FishSource |

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放精
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用具

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インターネットの情報源

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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=0.00631 (0.00270 - 0.01474), b=3.08 (2.88 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.2   ±0.40 se; based on food items.
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).
価格帯 (Ref. 80766):   Unknown.