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).
More on author: Boulenger.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性; 深度上下限 0 - 20 m (Ref. 34290). 熱帶
Africa: Lake Victoria (and at least some affluent streams and rivers), Lake Nabugabo, Malawa River, Victoria Nile (Ref. 34290, 104654) and Middle Akagera drainage (Ref. 46152).
非洲: 維多利亞湖 (而在得最沒有一些富饒的溪流與河川) ，湖 Nabugabo 湖， Malawa 河，維多利亞尼羅河。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 27.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 34290); common length : 23.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 34290)
背棘 (總數): 0; 背的軟條 (總數): 10; 臀棘 0; 臀鰭軟條: 18 - 19. Anal fin margin of females straight or very slightly concave; markedly convex in males (individual rays are stouter and coarser than those of females). Silver, bluish-grey to black-blue dorsally. Large black blotch on the caudal peduncle, with narrow extension on the caudal fin; round black spot behind the head. Dorsal fin grey, adipose dorsal fin orange. All fins grey in color; other specimens all yellowish (except for pectorals). Anal and pelvic fins of a faint orange tinge or grey with a faint yellowish sheen (Ref. 34290).
雌性的臀鰭邊緣筆直地或非常些微地凹曲; 顯著中凸在雄性中.(個別的鰭條比雌性的更矮胖與更粗) 銀色的, 藍灰色的到黑色的-背面的藍色。 在尾梗上的大的黑色斑塊, 在尾鰭上有狹窄的延長; 圓的黑色斑點在頭部後面。 背鰭灰色又脂肪的背鰭橘色的。 所有的鰭灰色的顏色; 其他的標本所有的淡黃色的.(除了胸鰭) 模糊橘色的淡色臀鰭與腹鰭鰭或灰色的具有一個模糊的淡黃色的光輝.(參考文獻 34290)
In Lake Victoria confined to shallow coastal areas (Ref. 34290, 104654), in water less than 20 m deep (Ref. 12526, 34290). Omnivore, feeding on aquatic plants, surface insects and small fishes, and sometimes on molluscs (Ref. 4903, 12526, 104654). Known to run up rivers and streams in Lake Victoria during rainy season (Ref. 4903). Apparently rare since introduction of Lates (Ref. 4967).
棲息於沿岸淺水區。 (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: 維多利亞湖 (而在得最沒有一些富饒的溪流與河川) ，湖 Nabugabo 湖， Malawa 河，維多利亞尼羅河。
van Oijen, M.J.P., 1995. Appendix I. Key to Lake Victoria fishes other than haplochromine cichlids. p. 209-300. In F. Witte and W.L.T. van Densen (eds.) Fish stocks and fisheries of Lake Victoria. A handbook for field observations. Samara Publishing Limited, Dyfed, Great Britain. (Ref. 34290)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 24 September 2015
人類使用
漁業:
更多資訊
俗名同種異名新陳代謝捕食者生態毒物學繁殖成熟度產卵場產卵群集孕卵數卵卵發育
參考文獻養殖養殖資訊品種遺傳學Electrophoreses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=0.01230 (0.00541 - 0.02797), b=2.99 (2.81 - 3.17), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
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 vulnerability (23 of 100).
