分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Nemacheilidae (Brook loaches)
Etymology: Schistura: Greek, schizein = to divide + Greek, oura = tail; an allusion to forked caudal fins (Ref. 45335); defectiva: From the Latin defectivus (incomplete, imperfect), a reference to the incomplete bars.
More on author: Kottelat.
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
; 淡水 底中水层性. 熱帶
Asia: Nam Ngum and Nam Khan basins of the Mekong
亞洲: 老撾河與湄公河的 Nam Khan 流域
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 4.9 cm SL 雄鱼/尚未辨别雌雄; (Ref. 36949)
简单描述
检索表 | 型态特徵 | 形态测量图
Anterior nostril pierced on front side of a flap; processus dentiformis present; lower lip interrupted medially, no median notch in upper lip; no median notch in lower jaw; body depth 14.3-15.8 %SL; caudal peduncle length 14.5-15.8 %SL, depth 10.5-11.8 %SL, 1.26-1.44 times in length; lateral line complete; anus about 1-2 eye diameters in front of anal-fin origin; 8.5 branched dorsal-fin rays; 5.5 branched anal-fin rays; caudal fin emarginate, with 9+8 branched rays; axillary pelvic lobe present; top of head spotted; body with 8-10 bars, as wide as or narrower than interspaces, not very regularly shaped and set, often dissociated into a blotch along side and a blotch along dorsal midline; a faint grey midlateral stripe or rows of longitudinally elongate blotches superimposed to the bar pattern; black bar at caudal-fin base more or less complete, often not reaching ventral midline, bent forward along dorsal midline; dorsal-fin base with a black spot at anterior extremity, followed by an orange dot and a grey elongate blotch (Ref. 36949). Mid-dorsal blotches may also be fused into a mid-dorsal stripe (Ref. 43281).
Body shape (shape guide): elongated.
前鼻孔在鳃盖的在前面侧边上刺穿了; 活动 dentiformis 呈现; 下唇中间地中断, 在上嘴唇中的没有中央的凹槽; 在下颌中的没有中央的凹槽; 体高 14.3-15.8% SL; 尾柄长度 14.5-15.8% SL ，深度 10.5-11.8% SL,1.26-1.44 倍长; 侧线完整; 关于臀鳍前面起源的 1-2 眼直径的肛门; 8.5 分枝的背鳍鳍条; 5.5 分枝的臀鳍棘条; 尾鳍边缘微凹的, 藉由 9+8个分支条; 腋窝的腹鳍叶呈现; 头顶有斑点的; 身体有 8-10条横带 , 与或一样宽窄于间隙, 不是非常经常形状与组, 时常进入一个斑块之内分离沿着侧边与一个斑块沿着背鳍中线; 一条模糊的灰色侧面中央的斑纹或列的纵向地细长的斑块重叠了到横带图案; 黑色的横带在尾鳍基底约略完成, 时常不达到被弯曲向前地的腹的中线沿着背鳍中线; 背鳍基底在被跟随着一个橘色的点与一个灰色的细长斑块的前面的末端具有一个黑色的斑点。 (参考文献 36949) 背部中央斑块也可能被融合成一条背部中央斑纹。 (参考文献 43281)
Inhabits riffles and creeks (Ref. 36949).
栖息于急流与小溪。 (参考文献 36949)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
亞洲: 老撾河與湄公河的 Nam Khan 流域
Kottelat, M., 2000. Diagnosis of a new genus and 64 new species of fishes from Laos (Teleostei: Cyprinidae, Balitoridae, Bagridae, Syngnathidae, Chaudhuriidae and Tetraodontidae). J. South Asian Nat. Hist. 5(1):37-82. (Ref. 36949)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-1)
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Estimates based on models
Phylogenetic diversity index (参考文献
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00692 (0.00310 - 0.01545), b=3.02 (2.85 - 3.19), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 3.0 ±0.3 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.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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