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: Brycinus: Greek, ebrykon, brykomai = to bite, to gnaw (Ref. 45335); nurse: rüppellii.
More on author: Rüppell.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性; pH range: 6.0 - 7.8; dH range: ? - 30; 河川洄游 (Ref. 51243). 熱帶; 23°C - 27°C (Ref. 2060)
Africa: widely distributed in West Africa (Ref. 2880, 81279). In Lower Guinea present in Cross and Mémé rivers (Ref. 80279). Also in Chad basin (Ref. 367, 81279) and Nile River (Ref. 28714, 31439, 58460) up to Lake Albert (Ref. 4903, 42019).
非洲: 尼羅河，查德，尼日與 Benoue ，十字河， Ogun ， Oueme ，單一， Sio ，佛塔河， Bia ， Comoe ， Agnebi ， Bandama ，薩桑德拉河， Konkoure ，甘比亞， Tomine(Corubal) ，塞內加爾。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 8.9, range 22 - ? cm
Max length : 25.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 3799); 最大體重: 200.00 g (Ref. 3799)
臀棘 0; 臀鰭軟條: 13 - 18. Diagnosis: multicuspid teeth set in two rows and not overlapping the jaws when the mouth is closed; teeth stout, not compressed; eyes with well-developed vertical adipose lids; slender body; head not flattened (Ref. 28714). Dorsal fin origin at about same level as pelvic fin insertion (Ref. 2880, 80290, 81279), about halfway between caudal fin and snout (Ref. 28714). Fronto-parietal fontanel absent in adults, sometimes pore-like in juveniles, disappearing with growth; sexual dimorphism affecting anal fin shape; 24-34 lateral line scales; 5.5 scales between lateral line and dorsal fin; 10-15 anal fin branched rays; 14-20 gill rakers on lower limb of first gill arch; 8 teeth in outer premaxillary row (Ref. 2880, 80290, 81279). Snout short, more than 3x head length; head length/snout length 3.6-4.3; 10-11.5 predorsal scales; flanks without lateral band; adults medium-sized (Ref. 80290).
頂骨囪門在稚魚中不存在於成魚 , ponctiform 。 顎等於。 在肛門形式的雄魚成魚上的性的同種二形。 肱骨的與尾前椎斑點黑色。 背面呈綠色的, 側邊銀色的與腹面分開白色。 偶鰭鮮紅色, 胸鰭與不彩色或淡的腹面橘色的。 分開眼睛上方紅色的。
Inhabits rivers, lakes, irrigation canals and fringing vegetation; feeds on zooplankton, Caridina, insects, snails and vegetation (Ref. 28714). Dwarf populations are described in lake basins: Lake Turkana, B. n. nana Pellegrin, 1935 and Lake Chad, B. n. dageti Blache and Miton, 1960 (see Ref. 2880).
棲息於河，湖，灌溉管與岸邊的植叢。 吃浮游動物， Caridina ，昆蟲，蝸牛與植物。 (參考文獻 28714) 矮小的族群在湖流域中被描述: 特坎那湖， B. n。 腦袋 Pellegrin,1935 與查德湖， B. n。 dageti Blache 與 Miton,1960.(見參考文獻 2880)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
非洲: 尼羅河，查德，尼日與 Benoue ，十字河， Ogun ， Oueme ，單一， Sio ，佛塔河， Bia ， Comoe ， Agnebi ， Bandama ，薩桑德拉河， Konkoure ，甘比亞， Tomine(Corubal) ，塞內加爾。
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)
人類使用
漁業: 低經濟; 水族館: 商業性
更多資訊
參考文獻養殖養殖資訊品種遺傳學基因序列遺傳率疾病加工NutrientsMass conversion
合作者照片Stamps, Coins Misc.聲音神經毒速度泳型鰓區Otoliths腦重體重比眼睛色素
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00922 - 0.01568), b=2.98 (2.93 - 3.03), in cm total length, based on LWR estimates for this species (Ref.
93245).
營養階層 (Ref.
69278): 2.5 ±0.2 se; based on diet studies.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (K=0.41-0.92; tm=1; Fec < 1,000).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (29 of 100).
Nutrients (Ref.
124155): Calcium = 147 [53, 366] mg/100g ; Iron = 2.12 [1.01, 4.98] mg/100g ; Protein = 18.7 [16.7, 21.0] % ; Omega3 = 0.503 [0.186, 1.390] g/100g ; Selenium = 45 [19, 123] μg/100g ; VitaminA = 42.5 [14.9, 114.6] μg/100g ; Zinc = 2.38 [1.62, 3.53] mg/100g (wet weight);
