分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Alestidae (African tetras)
Etymology: Hydrocynus: Greek, hydr = water + Greek, kyon = dog (Ref. 45335).
More on author: Cuvier.
Environment: milieu / climate zone / depth range / distribution range
生态学
Africa: Cross, Wouri and Sanaga basin in Lower Guinea ichthyofaunal province (Ref. 80290). Also in Chad, Niger, Ogun, Ouémé, Mono, Volta, Comoé, Bandama, Sassandra, Nipoué, St. Paul, Mano, Little Scarcies, Gambia and Senegal basins in West Africa (Ref. 2880, 80290, 81279); Nile River, including Lake Albert (Ref. 4903, 5331); Lake Turkana and Omo River (Ref. 2880, 5331, 80290); and Congo River basin (Ref. 2880, 80290).
非洲: 尼羅河, 湖艾伯特湖 [=湖 Mobutu Sese Seko] ，湖 Turkana 與 Gandjule(Margherita) ，塞內加爾，尼日，佛塔河，象牙海岸，幾內亞，喀麥隆，剛果，迦納，賴比瑞亞，貝努埃河， Omo ，甘比亞，查德，獅子山，貝南。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 20.0, range 21 - ? cm
Max length : 78.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 2880); 最大体重: 15.5 kg (Ref. 13337); 最大年龄: 4 年 (Ref. 2757)
Diagnosis: 2 scale rows between lateral line and scaly process at pelvic-fin bases; eye <70% of interorbital space (Ref. 2880, 81279). Dorsal-fin uniformly greyish and its origin in front of pelvic fins; adipose fin greyish; caudal fin without black edge (Ref. 80290, 81279).
细长的轮廓。 眼 <70% 的眼间隔。 长与少数鳃耙。 尾鳍下叶以及前端肛门的鲜红色颜色。 其余的鳍均匀灰色。
Forms shoals; an open water predator often found near the water surface; feeds on fishes, preferring long bodied fish as they are easier to swallow and also takes insects, grass and snails; cannibalistic; preyed upon by fish eagle Haliaeetus vocifer; breeding migrations have been reported up several tributaries of Lake Kariba during the rains (Ref. 13337).
浅水型。 一个开放水域掠食者时常在水面的附近发现。 (参考文献 13337) 吃鱼, 偏爱长的被身体的鱼当他们比较容易吞以及吃昆虫, 草与蜗牛.(参考文献 13337) 同类相食的。 被鱼鹰 Haliaeetus vocifer 捕食了。 (参考文献 13337) 繁殖回游曾经在卡里巴湖的一些支流上面在雨的时候报告。 (参考文献 13337) 分类相关: H. vittatus.
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
非洲: 尼羅河, 湖艾伯特湖 [=湖 Mobutu Sese Seko] ，湖 Turkana 與 Gandjule(Margherita) ，塞內加爾，尼日，佛塔河，象牙海岸，幾內亞，喀麥隆，剛果，迦納，賴比瑞亞，貝努埃河， Omo ，甘比亞，查德，獅子山，貝南。
Paugy, D. and S.A. Schaefer, 2007. Alestidae. p. 347-411. In M.L.J. Stiassny, G.G. Teugels and C.D. Hopkins (eds.) Poissons d'eaux douces et saumâtres de basse Guinée, ouest de l'Afrique centrale/The fresh and brackish water fishes of Lower Guinea, west-central Africa. Vol. 1. Coll. Faune et Flore tropicales 42. Istitut de recherche pour le développement, Paris, France, Muséum nationale d'histoire naturelle, Paris, France and Musée royale de l'Afrique centrale, Tervuren, Belgique. 800 p. (Ref. 80290)
人类利用
渔业: 商业性; 游钓鱼种: 是的
更多信息
参考文献养殖养殖信息品种遗传学Electrophoreses遗传率疾病加工NutrientsMass conversion
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00382 - 0.01506), b=3.15 (2.96 - 3.34), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 4.0 ±0.75 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 (K=0.17-0.45; tmax=4).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (39 of 100).
Nutrients (Ref.
124155): Calcium = 77.7 [34.3, 189.1] mg/100g; Iron = 1.64 [0.88, 3.93] mg/100g; Protein = 19 [17, 21] %; Omega3 = 0.309 [0.128, 0.777] g/100g; Selenium = 60.1 [24.5, 148.2] μg/100g; VitaminA = 40.5 [14.9, 108.0] μg/100g; Zinc = 1.2 [0.8, 1.7] mg/100g (wet weight);
