You can sponsor this page

Alestes dentex (Linnaeus, 1758)

Characin
上传你的 图片 和 影像
Pictures | 谷歌图片
Image of Alestes dentex (Characin)
Alestes dentex
Picture by Nightingale, A.


Guinea country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Found in Upper Niger (Ref. 2880, 81279).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/gv.html
National Fisheries Authority: http://www.fis-net.com/guinea
Occurrences: Occurrences Point map
Main Ref: Paugy, D., 2003
National Database:

Common names from other countries

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

Teleostei > Characiformes (Characins) > Alestidae (African tetras)
Etymology: Alestes: Greek, alestes, -oy = miller (Ref. 45335).
  More on author: Linnaeus.

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

; 淡水 大洋性; pH range: 6.0 - 6.5; dH range: 4 - 18; 河川洄游 (Ref. 51243).   熱帶; 24°C - 27°C (Ref. 13371)

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

Africa: Chad, Niger, Volta, Gambia, Senegal (Ref. 2880, 81279). Outside West Africa this species is found in Nile basin, including Lower Nile, White Nile, Blue Nile and Murchison Nile (Ref. 5331) and Lake Mobutu Sese Seko [=Lake Albert] and Omo-Lake Turkana system (Ref. 2880).
非洲: 查德,尼日,佛塔河,甘比亞,塞內加爾,尼羅河,湖 Mobutu Sese Seko ,湖 Omo ,特坎那湖。 也已知來自白色的尼羅河, Murchinson 尼羅河與藍色的尼羅河,.(參考文獻 5331)

Length at first maturity / 大小 / 重量 / 年龄

Maturity: Lm ?, range 22 - ? cm
Max length : 55.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 2880); 最大体重: 600.00 g (Ref. 3799); 最大年龄: 7 年 (Ref. 2758)

简单描述 检索表 | 型态特徵 | 形态测量图

臀棘: 0; 臀鳍软条: 21 - 26; 脊椎骨: 45 - 48. Diagnosis: multicuspid teeth set in two rows and not overlapping the jaws when the mouth is closed; teeth stout, not compressed; eyes without or with weakly developed adipose lids; anal fin with 22-26 rays (Ref. 28714). At most 27 gill rakers on lower limb of first gill arch (18-27); 3 unbranched and 18-23 branched anal-fin rays; dorsal-fin origin distinctly behind level of pelvic-fin insertions (Ref. 2880, 81279). Scales small (Ref. 28714), 43-51 in lateral line (Ref. 2880, 81279).
银色的颜色, 背面深灰色或蓝色的, 腹面分开微白色的。 鳍浅灰色的或些微地带有了黄色的橘色。 尾鳍下叶红色。 发展良好的囟门。 对于 Alestes 种的性的同种二形为 A. baremoze 见附加的特徵。

生物学特性     字汇 (例如 epibenthic)

Omnivorous, stomachs examined contained seeds, zooplankton, insects or fish fry (Ref. 28714). Two subspecies: Alestes dentex dentex in the Nile and Alestes dentex sethente (Valenciennes, 1849) in Sudanian basins of West Africa.

二个亚种: 在尼罗河的 Alestes dentex dentex 与非洲西部的苏丹流域的 Alestes dentex sethente(Valenciennes,1849)。 杂食性, 腹部检查后发现有种子,浮游动物,昆虫或鱼苗了。 (参考文献 28714)

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

Up to 300 eggs are scattered on the bottom. Larvae hatch after about 6 days.非洲: 查德,尼日,佛塔河,甘比亞,塞內加爾,尼羅河,湖 Mobutu Sese Seko ,湖 Omo ,特坎那湖。 也已知來自白色的尼羅河, Murchinson 尼羅河與藍色的尼羅河,.(參考文獻 5331)

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

Paugy, D., 1990. Characidae. p. 195-236. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douces et saumâtres de l'Afrique de l'Ouest. Tome I. Coll. Faune Tropicale n° XXVIII. Musée Royal de l'Afrique Centrale, Tervuren et O.R.S.T.O.M., Paris, 384 p. (Ref. 2880)

世界自然保护联盟红皮书 (Ref. 130435)

  最不相关 (LC) ; Date assessed: 17 June 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的




人类利用

渔业: 商业性
FAO(Publication : search) | FishSource |

更多信息

Trophic ecology
食物相
Diet compositions
Food consumptions
Food rations
捕食者
Ecology
生态学
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
体长-频率
Mass conversions
Recruitments
Abundances
Life cycle
繁殖
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
仔鱼
稚鱼动力学
Distribution
国家
FAO区域
生态系
标本纪录
简介
BRUVS - Videos
Anatomy
Gill areas
脑重体重比
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
游泳类型
Swimming speeds
Visual pigment(s)
鱼的声音
Diseases / Parasites
Toxicities (LC50s)
Genetics
遗传学
Electrophoreses
Heritabilities
Human related
Aquaculture systems
水产养殖描述
品种
Ciguatera cases
Stamps, coins, misc.
Outreach
合作者
Taxonomy
俗名
同种异名
型态特徵
形态测量图
照片
References
参考文献

工具

特别资料

下载 XML

网络资源

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00528 - 0.02495), b=3.00 (2.82 - 3.18), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  2.9   ±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 (tmax=7; tm=2; K=0.43-.075).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (31 of 100).
价格分类 (Ref. 80766):   Unknown.