分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
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)
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。
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)
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)
人类利用
渔业: 商业性
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特别资料
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
Nutrients (Ref.
124155): Calcium = 96.6 [36.9, 226.5] mg/100g; Iron = 1.87 [0.93, 4.50] mg/100g; Protein = 19.1 [17.1, 21.4] %; Omega3 = 0.469 [0.182, 1.290] g/100g; Selenium = 56.3 [23.4, 146.4] μg/100g; VitaminA = 25.4 [9.0, 69.1] μg/100g; Zinc = 1.74 [1.21, 2.54] mg/100g (wet weight);
