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); pervagata: From the Latin pervagatus (common, banal).
More on author: Kottelat.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 热带
Asia: Laos and Viet Nam.
亚洲: 寮国与越南。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 8.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 40772)
简单描述
检索表 | 型态特徵 | 形态测量图
Lateral head length 23.1-26.5 %SL; predorsal distance 52.3-54.9 %SL; prepelvic distance 52.3-54.8 %SL; body depth 15.4-17.4 %SL; caudal peduncle length 14.9-18.6 %SL., depth 11.7-13.6 %SL, 1.17-1.51 times in length; anterior nostril pierced in front side of a flap; processus dentiformis present; no median notch or only very shallow notch in upper lip, a median incision in lower lip; no median notch in lower jaw; 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 vermiculated; body with 8-13 bars, as wide as or wider than interspaces, from quite regular to irregularly shaped and organized, but usually very few incomplete or branched bars; in predorsal area, bars either continuous across back, alternating or dissociated into small blotches; black bar at caudal-fin base more or less complete, usually not reaching dorsal and ventral midlines, often with posterior projections at upper and lower extremities; dorsal-fin base with black spot anteriorly, followed by a pale patch and a low, elongate grey blotch (Ref. 36949). Interobital width 26.1-33.0% HL (Ref. 40772).
侧面的头长 23.1-26.5% SL; 前背的距离 52.3-54.9% SL; 腹鳍前的距离 52.3-54.8% SL; 体高 15.4-17.4% SL; 尾柄长度 14.9-18.6% SL。, 深度 11.7-13.6% SL,1.17-1.51 倍长; 前鼻孔在鳃盖的在前面侧边中刺穿了; 活动 dentiformis 呈现; 在上嘴唇中的没有中央的凹槽或唯一的很浅凹槽, 在下唇中的一个中央的切口; 在下颌中的没有中央的凹槽; 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; 头顶以蠕虫爬迹形为装饰的; 身体有 8-13条横带, 与或一样宽比间隙宽, 从相当规则到形状不规则的而且组织, 但是通常少许的不完全或分枝的横带; 在背面对面的前背区域, 横带或连续中, 交互的或进入小的斑块之内分离; 黑色的横带在尾鳍基底约略完成, 通常在上、下末端不达到背部而腹的中线通常有在后部的突出; 背鳍基底前面地有黑色的斑点, 跟随着一个灰白的小区块与一个低的, 细长的灰色斑块。 (参考文献 36949)
Found in riffles and rapids (Ref. 36949).
发现于急流与急流了。 (参考文献 36949)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
亚洲: 寮国与越南。
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 2024-1)
人类利用
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特别资料
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Estimates based on models
Phylogenetic diversity index (Ref.
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 (Ref.
69278): 3.0 ±0.3 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
