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Teleostei >
Cypriniformes (Carps) >
Cyprinidae (Minnows or carps) > Cyprininae
Etymology: Cyclocheilichthys: Greek, kyklos = round + Greek, cheilos = lip + Greek, ichtys = fish (Ref. 45335).
More on author: Bleeker.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性; 河川洄游 (Ref. 51243). 熱帶
Asia: Thailand, Laos, Cambodia and Viet Nam to Indonesia and Malaysia.
亞洲: 泰國，寮國，柬埔寨與越南到印尼與馬來西亞。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 74.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 30857); common length : 45.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 12693)
Bifurcate or even multifurcate lateral-line tubes; 4 barbels; 16-20 gill rakers on first arch (Ref. 12693); very long dorsal spine (Ref. 43281).
分叉或平坦的多分叉侧线管; 4个触须; 在第一鳃弓上的 16-20个鳃耙;(参考文献 12693) 非常长的背棘.(参考文献 43281)
Occurs at midwater to bottom levels of rivers (Ref. 12693). Feeds mainly on bivalves, roots of plants, zooplankton and green algae (Ref. 6459). Young are known to feed on zooplankton while adults prey also on insect larvae, crustaceans and fish (12693). Lives in rivers and spawns during the rainy season, probably on the floodplains or inundated riparian forests. Returns to the rivers from October to December. Does not occur in impoundments (Ref. 12693). A strongly migratory species which lives in the mainstream and larger tributaries of the Mekong (Ref. 9497). Found in the basin-wide mainstream of the lower Mekong (Ref. 36667). In the Mekong, it undertakes an upstream migration from Phnom Penh to Khone Falls from November to February, and a downstream migration from May to August. This migration continues down to the Mekong delta area in Viet Nam, where it continues until the peak of floods in October-November. These two migrations mainly constitute juveniles and sub-adults, although adults of 90 cm are reported very near the Khone Falls. Above the Khone Falls, upstream migrations occur from April to September which are dominated by adult fishes and probably these are spawning migrations because of the presence of mature fishes bearing eggs (Ref. 37770). These upstream migrations above the Khone Falls are reported to be triggered by the first rainfall at the end of the dry season, rising of water levels and higher turbidity (Ref. 37770). A desirable food fish, marketed fresh (Ref. 12693).
生存在河的中层水域到底区。 (参考文献 12693) 主要吃二枚贝，植物，浮游动物与绿藻的根。 (参考文献 6459) 已知幼鱼捕食浮游动物虽然成鱼也吃昆虫幼生，甲壳类动物和鱼类。 (12693) 生活在河而且在雨季的时候产卵, 可能在洪泛区或浸水的河岸森林上。 从十月到十二月回到河。 不会出现在圈围水域.(参考文献 12693) 生活在主流与湄公河的较大的支流中的一个强烈的回游性种.(参考文献 9497) 发现于下面湄公河的整个流域主流了。 (参考文献 36667) 在湄公河中，它进行一个从金边到 Khone 瀑布的溯溪回游从十一月到二月, 与一个向下游的迁移从五月到八月。 这迁移继续向下至在越南的湄公河三角州区域, 在哪里它在十月至十一月继续到洪水的高峰。 这两个回游主要地构成稚鱼与亚成鱼, 虽然 90 公分的成鱼被报告非常接近 Khone 瀑布。 在 Khone 瀑布之上，向上游的回游出现从四月到九月那是被成鱼控制，而且可能这些被生殖回游由于那有生长着卵的成熟的鱼.(参考文献 37770) 在 Khone 瀑布上面的这些个向上游的回游被报告在乾季末端经由第一个降雨所引起, 水位上升而浑浊度提高.(参考文献 37770) 一个令人满意的食用鱼, 在市场上销售生鲜地了。 (参考文献 12693)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
亞洲: 泰國，寮國，柬埔寨與越南到印尼與馬來西亞。
Rainboth, W.J., 1996. Fishes of the Cambodian Mekong. FAO species identification field guide for fishery purposes. FAO, Rome, 265 p. (Ref. 12693)
人类利用
渔业: 商业性; 养殖: 实验的
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00254 - 0.01427), b=3.13 (2.92 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.2 ±0.43 se; based on food items.
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (56 of 100).
