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Teleostei >
Cypriniformes (Carps) >
Cyprinidae (Minnows or carps) > Cyprininae
Etymology: Aaptosyax: Greek, aaptos =giant, terrible + Greek, ykis, yaina, yanis, syaina, syax and syakon = a kind of sole; but it is also related to yaina =hyena and wild pig ; grypus: Named for its strongly curved jaws (Ref. 34719).
Environment: milieu / climate zone / depth range / distribution range
生态学
Asia: Mekong River.
亞洲: 寮國與泰國的湄公河中游。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 130 cm SL 雄鱼/尚未辨别雌雄; (Ref. 9497); 最大体重: 30.0 kg (Ref. 9497)
Well-developed adipose eye-lid, covering most of eye except pupil in large adults, less extensive in juveniles; presence of a large symphyseal knob in lower jaw fitting in a median notch in upper jaw (Ref. 43281).
发展良好的脂肪眼-眼睑, 包含的大部分的眼在大的成鱼中的除了瞳孔以外, 比较不广泛在稚鱼中; 在上颌中的一个中央的凹槽中的下颌配件中有一个大的合生疖瘤。 (参考文献 43281)
Inhabits mainstreams of middle reaches in deep rocky rapids. Juveniles occur in tributaries (Ref. 58784). A large fast-swimming predator, feeding on fish of the middle and the upper water levels. Although most common along the Thai-Lao border at the mouth of the Mun River, its numbers have drastically decreased in recent years. This is perhaps due to dam construction or excessive gill netting, to which active pursuit predators, like this species, are particularly vulnerable (Ref. 12693). Undertakes upstream migration at the same time as Probarbus sp. in December-February (Ref. 37770) which may be related to spawning activity (Ref. 9497). Attains over 30 kg (Ref. 9497).
一个大且游速快之掠食者, 吃中上层水域的鱼。 虽然最常见的沿着在 Mun 河的嘴巴泰寮边界, 它的数字有近几年来大幅减少。 这是也许由于水坝建筑或者过多的刺网, 对活跃的追逐掠食者而言, 像这种, 是特别地易受伤害的.(参考文献 12693) 在十二月-二月 (参考文献 37770) 那可能是被产卵活动有关的与 Probarbus sp. 同时进行溯溪回游。 (参考文献 9497) 达到超过 30 公斤。 (参考文献 9497)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
亞洲: 寮國與泰國的湄公河中游。
Roberts, T.R. and T.J. Warren, 1994. Observations of fishes and fisheries in southern Laos and northeastern Cambodia, October 1993-Febuary 1994. Nat. Hist. Bull. Siam. Soc. 42:87-115. (Ref. 10431)
世界自然保护联盟红皮书 (Ref. 130435)
极度濒危 (CR) (A2acd); Date assessed: 17 January 2011
人类利用
更多信息
俗名同种异名新陈代谢捕食者生态毒物学繁殖成熟度产卵场产卵群集孕卵数卵卵的发育
参考文献养殖养殖信息品种遗传学Electrophoreses遗传率疾病加工NutrientsMass conversion
合作者照片Stamps, Coins Misc.声音神经毒速度泳型鳃区Otoliths脑重体重比眼睛色素
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00548 - 0.02519), b=3.00 (2.82 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 4.5 ±0.80 se; based on food items.
回复力 (Ref.
120179): 非常低的, 最小族群倍增时间超过14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
