分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Xenocyprididae (East Asian minnows)
Eponymy: Dr Charles William Metz (1889–1975) was an American zoologist, geneticist and taxonomist whose doctorate was awarded by Stanford University. He co-wrote: A catalog of the fishes known from the waters of Korea (1913). (Ref. 128868), visit book page.
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. 亞熱帶的
Asia: Yunnan, China and Taiwan (Ref. 45563); also observed from Viet Nam (Ref. 44416).
亞洲: 中國雲南與台灣;(參考文獻 45563) 也從越南觀察。 (參考文獻 44416)
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 7.3 cm SL 雄鱼/尚未辨别雌雄; (Ref. 33784)
Head small, pointed and slender; snout short and protruded; mouth slit slanted; large eyes at the center of head, towards tip, interorbital space convex. Long, rhombic body; back behind head convex. Belly scutes from base of pelvic fin to anus. Body gray on back, silvery white on lower sides and belly, a horizontal gray stripe along the central axis; gray on caudal fin and semi-transparent on others (Ref. 45563).
头部小的，尖的与细长的; 吻短而且伸出; 口裂斜的; 在头部的中心的大眼, 向顶端，眼间隔凸状。 长又菱形的身体; 头部后面的背部凸状。 从腹鳍的基底到肛门的腹面鳞甲。 身体灰色背面, 银白色在下侧与腹面上，一条水平的灰色斑纹沿着中央的轴; 在尾鳍上的灰色与半透明的在其它身上.(参考文献 45563)
Adults inhabit clear still or slow-moving waters of small rivers (Ref. 45563).
栖息于小河的清澈静止或流速缓慢水域。 (参考文献 45563)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
亞洲: 中國雲南與台灣;(參考文獻 45563) 也從越南觀察。 (參考文獻 44416)
Gan, X., J.-H. Lan and E. Zhang, 2009. Metzia longinasus, a new cyprinid species (Teleostei: Cypriniformes) from the Pearl River drainage in Guangxi Province, South China. Ichthyol. Res. 56:55-61. (Ref. 80361)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
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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 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00631 (0.00298 - 0.01335), b=3.07 (2.90 - 3.24), 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): 3.1 ±0.4 se; based on size and trophs of closest relatives
回复力 (参考文献
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
渔业脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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