分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Gastromyzontidae (Hillstream loaches)
Etymology: crassicauda: From the Latin crassus (thick) and cauda (tail), allusion to the stout caudal peduncle.
Eponymy: Mari Albert Johan Van Manen (1877–1943) was a Dutch ethnographer, theosophist and orientalist who made a specialty of the study of Tibet and its texts. [...] (Ref. 128868), visit book page.
More on author: Kottelat.
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 居于水底的. 熱帶
Asia: Nam Xam and Nam Ma basins in Laos. Expected to occur in Viet Nam.
亞洲: Nam Xam 與寮國的 Nam Ma 流域。 預期出現出現在越南。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 6.7 cm SL 雄鱼/尚未辨别雌雄; (Ref. 43281)
简单描述
检索表 | 型态特徵 | 形态测量图
Caudal peduncle 1.2-1.5 times longer than deep, depth 9.3-10.7 %SL; anus closer to posterior extremity of pelvic-fin base than to caudal-fin origin; 12-16 black bars on body, their width about equal to eye diameter, quite regularly shaped and spaced in individuals larger than about 50 mm SL, less regular in smaller ones; juvenile with 3 broad black bars on body and a large black blotch on anterior half of caudal fin; 7-8 narrow saddles along back; pelvic, pectoral and anal fins plain colored, bright orange in life; 2 broad black stripes or row of spots on dorsal, 3 black bars or rows of spots on caudal fin; 15-16 branched pectoral-fin rays; 9 branched pelvic-fin rays (Ref. 36949).
Body shape (shape guide): elongated; Cross section: compressed.
尾柄 1.2-1.5 倍深的, 深度 9.3-10.7% SL; 超过到尾鳍起源的肛门腹鳍基底的更靠近在后部末端; 在身体上的 12-16条黑色的横带, 他们的宽度大约等于眼直径, 相当经常形状而且在个体中有间隔的大于大约 50 mm SL, 比较不规则在较小的一些中; 稚鱼有在身体上的 3条宽的黑色横带而且在前半部的尾鳍上稚鱼有一个大的黑色斑块; 7-8 狭窄的鞍状斑沿着背面; 腹鳍,胸鳍与臀鳍单色的, 鲜橘色的活着时; 2条宽的黑色斑纹或斑点的列背部的之上, 在尾鳍上的 3条黑色的横带或列的斑点; 15-16个分枝的胸鳍鳍条; 9个分枝的腹鳍鳍条.(参考文献 36949)
Occurs in rapids, torrents and waterfalls (Ref. 36949).
出现于急流,奔流与瀑布。 (参考文献 36949)
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: Nam Xam 與寮國的 Nam Ma 流域。 預期出現出現在越南。
Kottelat, M., 2001. Fishes of Laos. WHT Publications Ltd., Colombo 5, Sri Lanka. 198 p. (Ref. 43281)
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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特别资料
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网络资源
基于模型的估算
系统发育多样性指数 (参考文献 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00646 (0.00283 - 0.01475), b=3.11 (2.91 - 3.31), 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) |
2.7 ±0.2 se; based on size and trophs of closest relatives |
渔业脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |