分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins)
脂鯉目 (Characins) >
Alestidae (African tetras)
Alestidae (African tetras)
Etymology: Alestes: Greek, alestes, -oy = miller (Ref. 45335).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性. 熱帶
Africa: Congo River basin: from Pool Malebo (Ref. 42480) up to the upper Lualaba (Ref. 2970, 42019, 45616, 80290) and Luapula (Ref. 1878, 42135, 80290, 85675) in Cameroon, Democratic Republic of the Congo, Republic of Congo, Central African Republic, Angola and Zambia. Lower Guinea: found in coastal River basins in Cameroon, Gabon and the Republic of Congo (Ref. 80290). Also reported from Lake Tanganyika, the Malagarazi River (Ref. 36901) and the Rusizi River (Ref. 98755).
非洲: 實質上從剛果河流域也在奈及利亞，喀麥隆的一些海岸流域發現於十字河, 奧克維河在加彭, 與坦噶尼喀湖.(參考文獻 5331)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 60.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 2880)
背棘 (總數) : 0; 背的軟條 (總數) : 10 - 11; 臀棘: 0; 臀鰭軟條: 19 - 23. Diagnosis: very well developed adipose eyelid (Ref. 42019, 80290, 81279); 18-20 branched anal-fin rays (Ref. 2880, 42019, 80290, 81279). 16-20 branched rays in Tanganyika specimens (Ref. 36899, 45485). 17-22 gill rakers on lower limb of first gill arch; dorsal-fin origin at about same level of pelvic-fin insertions (Ref. 2880, 80290, 81279). Sexual dimorphism affecting shape of anal fin (Ref. 80290, 81279).
銀色的身體 , 背面深藍色或呈綠色的, 下側與腹面分開白色。 胸鰭與腹面有時黑色的。 發展良好的囟門。 對於 Alestes 種的性的同種二形為 A. baremoze 見附加的特徵。
Omnivore; remnants of insect larvae (Ref. 36901), weed, beetles and other insects (Ref. 42135) and fish (Ref. 36899) found in stomach. Juveniles predominantly insectivore, piscivore as adults (Ref. 85675).
出現在坦尚尼亞的湖與河。 (參考文獻 4967)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
非洲: 實質上從剛果河流域也在奈及利亞，喀麥隆的一些海岸流域發現於十字河, 奧克維河在加彭, 與坦噶尼喀湖.(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)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 10 May 2019
人類使用
漁業: 商業性
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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=0.01122 (0.00621 - 0.02027), b=3.05 (2.89 - 3.21), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 2.0 ±0.00 se; based on food items.
Generation time: 1.0 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (25 of 100).
Nutrients (Ref.
124155): Calcium = 122 [49, 343] mg/100g; Iron = 2.64 [1.19, 6.24] mg/100g; Protein = 19 [17, 21] %; Omega3 = 0.431 [0.153, 1.295] g/100g; Selenium = 80.6 [29.5, 236.1] μg/100g; VitaminA = 11.3 [3.1, 40.2] μg/100g; Zinc = 2.1 [1.3, 3.3] mg/100g (wet weight);
