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Labeobarbus brevicephalus (Nagelkerke & Sibbing, 1997)

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Labeobarbus brevicephalus
Picture by Nagelkerke, L.


Ethiopia country information

Common names: Nech asa
Occurrence: endemic
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Type locality of the holotype of Barbus brevicephalus: 'Yigashu (locality 10), Lake Tana, Ethiopia' (Ref. 35835). Known from Lake Tana and its tributaries (Ref. 31686, 35835, 96382, 128753), part of Abay drainage (Ref. 58460).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/et.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Nagelkerke, L.A.J. and F.A. Sibbing, 1997
National Database:

Common names from other countries

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Torinae
Etymology:

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水 底中水层性.   熱帶; 13°N - 11°N

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Africa: endemic to Lake Tana and its tributaries, Ethiopia (Ref. 35835, 96382, 128753).
非洲: 塔那湖及其支流,衣索比亞的特有種。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 31.7 cm FL 雄鱼/尚未辨别雌雄; (Ref. 35835)

简单描述 型态特徵 | 形态测量图

背棘 (总数): 0; 背的软条 (总数): 12; 臀棘 0; 臀鳍软条: 8. Head width more than 1.8 times in head length; head length less than 1.3 times in body depth; body depth more than 3.6 times in standard length; eye diameter less than 1.6 times in interorbital width; light yellowish green.
头部宽度超过 1.8 倍头长; 头长少于 1.3个倍体高; 体高超过 3.6 倍标准的长度; 眼直径少于 1.6 倍眼间骨宽度; 淡的淡黄绿色的。

生物学特性     字汇 (例如 epibenthic)

Occurs over muddy, sandy and rocky substrates all over the lake, preferably in water of less than 6 m depth. Juveniles feed on zooplankton and insects; adults take in addition small mollusks and macrophytes (Ref. 35835).

生活在泥泞的沙与岩石底部之上在湖中各处, 可能地在少于 6 公尺深的水。 稚鱼吃浮游动物与昆虫; 成鱼附带地吃小的软件动物与大型植物。 (参考文献 35835)

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼

非洲: 塔那湖及其支流,衣索比亞的特有種。

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

Nagelkerke, L.A.J. and F.A. Sibbing, 1997. A revision of the large barbs (Barbus spp., Cyprinidae, Teleostei) of Lake Tana, Ethiopia, with a description of seven new species. p. 105-170. In L.A.J. Nagelkerke (ed.) The barbs of Lake Tana, Ethiopia: morphological diversity and its implications for taxonomy, trophic resource partititioning and fisheries. Wageningen University, The Netherlands. (Ref. 35835)

世界自然保护联盟红皮书 (Ref. 130435)

  不评价 

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的




人类利用

FAO(Publication : search) | FishSource |

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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=0.00933 (0.00422 - 0.02065), b=3.01 (2.82 - 3.20), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.0   ±0.37 se; based on food items.
回复力 (Ref. 120179):  中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (25 of 100).