分类 / 名称
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Teleostei >
Cypriniformes (Carps) >
Cyprinidae (Minnows or carps) > Cyprininae
Etymology: Amblyrhynchichthys: Greek, amblys = darkness + Greek, rhyngchos = snout + Greek, ichthys = fish (Ref. 45335); micracanthus: From the Greek mikros, meaning small, and akantha, meaning thorn, in reference to the smaller dorsal spine of this species compared to Amblyrhynchichthys micracanthus.
More on authors: Ng & Kottelat.
环境：氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 底中水层性. 热带
分布
领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Asia: Mekong, Chao Phraya, Mae Khlong and Tapi river drainages in Indochina.
亚洲: 湄公河，湄南河，眉隆与在印度支那的塔披河流域。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 19.7 cm SL 雄鱼/尚未辨别雌雄; (Ref. 55878)
Distinguished from its only congener, Amblyrhynchichthys truncatus, in possessing a more truncate snout (straight vs. gently rounded lateral profile), shorter dorsal spine (15.5-25.7% SL vs. 26.7-29.9), smaller eye when similar-sized individuals of larger than ca. 7 cm SL are compared (28.7-34.9% HL vs. 32.7-36.3) and fewer gill rakers (34-37 vs. 39-40) (Ref. 55878).
Body shape (shape guide): fusiform / normal.
与它的唯一的同类， Amblyrhynchichthys truncatus 区分了, 在持有一个更多的截形吻 (笔直地 vs. 逐渐圆形侧面的轮廓) ，较短的背棘 (15.5-25.7% SL vs.26.7-29.9) ，较小的眼方面当大于大约 7 公分 SL 的大小相近个体被比较 (28.7-34.9% HL vs.32.7-36.3) 的时候与较少的鳃耙 (34-37 vs.39-40).(参考文献 55878)
Inhabits mainly rivers, with juvenile occasionally entering swamps and flooded fields and feeds mainly on periphyton (Ref. 55878).
主要栖息于河, 由于稚鱼偶然地进入沼泽与被水淹没的田野而且主要捕食固着生物.(参考文献 55878)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
亚洲: 湄公河，湄南河，眉隆与在印度支那的塔披河流域。
Ng, H.H. and M. Kottelat, 2004. Amblyrhynchichthys micracanthus, a new species of cyprinid fish from Indochina (Cypriniformes: Cyprinidae). Rev. Suisse Zool. 111(2):425-432. (Ref. 55878)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
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基于模型的估算
系统发育多样性指数 (参考文献
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00526 - 0.02395), b=3.02 (2.84 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 2.9 ±0.3 se; based on size and trophs of closest relatives
回复力 (参考文献
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
渔业脆弱性 (Ref.
59153): Low vulnerability (14 of 100).
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