分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
; 淡水 大洋性. 熱帶
Africa: endemic to Lake Turkana, Kenya (Ref. 52331, 53378).
非洲: 特坎那湖的特有種.(參考文獻 53378)
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 8.1 cm SL 雄魚/尚未辨別雌雄; (Ref. 52331)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
It has sharply pointed fang-like teeth and a muzzle-like prognathous snout (Ref. 53378). Pale fawn with silvery scales, darker on the dorsal surface (Ref. 53378). Both lobes of the caudal fin marked with red chromatophores on the lower lobe (Ref. 53378). The dorsal surface is lightly patterned with melanophores in preserved specimens, heavier in a band on the middorsal line (Ref. 53378). Characteristic patches of black pigment are present on the snout, on the lower jaw and on the mid-lateral portion of the caudal peduncle (Ref. 53378). Distal margin of caudal fin with broad edging of black pigment (Ref. 53378).
Body shape (shape guide): fusiform / normal.
它有非常尖的尖牙狀的齒與一個像鼻口一樣的下巴突出的吻。 (參考文獻 53378) 灰白的黃褐色有銀色的鱗片, 比較深色的在背部表面上.(參考文獻 53378) 尾鰭的雙葉在下面的葉上有顯著的紅色色素胞了。 (參考文獻 53378) 背部表面輕輕的在保存的標本中有黑色素細胞被式樣, 重的在背面中央的線上一條條紋中.(參考文獻 53378) 黑色素的特性區塊在吻部上出現, 在下頜上與在尾梗的側面中央部分上.(參考文獻 53378) 末梢部邊緣尾鰭有黑色素的寬邊緣.(參考文獻 53378)
Pelagic, restricted to offshore waters; feeds chiefly on prawns, zooplankton and insects with an increasing proportion of small fish in larger individuals; spawns within lake; dominant species in terms of standing stock in Lake Turkana (Ref. 53378).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
非洲: 特坎那湖的特有種.(參考文獻 53378)
Hopson, A.J. and J. Hopson, 1982. The fishes of Lake Turkana with a description of three new species: Alestes ferox sp. nov., Alestes minutus sp. nov. (Pisces: Characidae) and Barbus turkanae sp. nov. (Pisces: Cyprinidae). p. 283-347. In A.J. Hopson (ed.) Lake Turkana. A report on the findings of the Lake Turkana project 1972-1975. Overseas Development Administration, London. 1873 p. (Ref. 53378)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
人類使用
工具
特別的報告
下載 XML
網路資源
Estimates based on models
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00496 - 0.02540), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (參考文獻
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
回復力 (參考文獻
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
🛈
