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 居于水底的; 河川洄游 (Ref. 51243). 熱帶
Africa: Nile River, Chad basin, Niger River, Volta River, Bandama River, Comoé River and Ouémé River (Ref. 2835, 81263).
非洲: 尼羅河，查德流域，尼日河，佛塔河，邦達馬河, Comoe 河上游與 Oueme 河.(參考文獻 2835)
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 32.0 range ? - ? cm
Max length : 65.5 cm SL 雄鱼/尚未辨别雌雄; (Ref. 123661); 最大体重: 3.4 kg (Ref. 123661)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 11 - 14; 臀棘: 0; 臀鳍软条: 9 - 18; 脊椎骨: 53 - 57. Diagnosis: lower jaw longer than upper jaw; pectoral fin reaching first dorsal ray (Ref. 2835, 42908, 81263). 11-14 dorsal finlets (Ref. 28714, 122071), the first situated above the pectoral fins; head flat or slightly concave between the eyes but not convex (Ref. 28714). Third dorsal scale row the first to reach ventral midline; predorsal length short, 21.7-27.4 % SL; few (4-5, rarely 6), broad (more than 3 scale rows wide), dark transverse bars extending from dorsum to middle of flank by confluence of dorsal and lateral blotches sometimes including ventrolateral markings (Ref. 122071).
扁长形的身体.(参考文献 2835,3036,42908) 体高 7.3 到 10.3 倍标准的长度; 头长 4.2 到 5.2 倍标准的长度.(参考文献 367) 头部平的。 (参考文献 367) 下颌突出的, 比上颌长.(参考文献 367,2756) 背部离鳍的数字: 11-14.(参考文献 42908) 分枝背鳍与尾鳍鳍条的数字: 20-26.(参考文献 2835) 胸鳍延伸到背鳍起点。 (参考文献 367) 硬鳞:(参考文献 42904) 50-59个侧线鳞片, 身体的周围 40-46个鳞片,11-16个前背的鳞片.(参考文献 367, 参考文献 2835, 参考文献 42908) 背部两侧黄色或绿色又腹的侧边灰白 (参考文献 2835), 有不规则的黑色横纹。 (参考文献 367,2835) 头部而且鳍有黑色的斑点.(参考文献 367,2835,3069)
Facultative air-breathing (Ref. 126274); Inhabits swamps and rivers. Essentially piscivorous (Ref. 9695, 28714). Diet includes snails and crustaceans (Ref. 30488).
栖息于沼泽与河。 这种实质上是以鱼为食。 (参考文献 9695,28714) 食物包括蜗牛与甲壳动物。 (参考文献 30488)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
非洲: 尼羅河，查德流域，尼日河，佛塔河，邦達馬河, Comoe 河上游與 Oueme 河.(參考文獻 2835)
Gosse, J.P. and J. Daget, 2003. Polypteridae. p. 101-112. In D. Paugy, C. Lévêque and G.G Teugels (eds.) The fresh and brackish water fishes of West Africa Volume 1. Coll. faune et flore tropicales 40. Institut de recherche de développement, Paris, France, Muséum national d'histoire naturelle, Paris, France and Musée royal de l'Afrique Central, Tervuren, Belgium, 457p. (Ref. 81263)
人类利用
渔业: 低经济
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特别资料
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00437 (0.00273 - 0.00698), b=3.08 (2.94 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 3.8 ±0.63 se; based on food items.
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (52 of 100).
Nutrients (Ref.
124155): Calcium = 126 [54, 243] mg/100g; Iron = 1.55 [0.93, 2.46] mg/100g; Protein = 18 [17, 19] %; Omega3 = 0.275 [0.116, 0.669] g/100g; Selenium = 69.6 [31.2, 151.4] μg/100g; VitaminA = 33.5 [12.8, 91.3] μg/100g; Zinc = 1.26 [0.86, 1.81] mg/100g (wet weight);
