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); porthos: Named for Porthos, one of the characters of Alexandre Dumas' 'Les trois mousquetaires'.
Eponymy: Not a true eponym but one of the characters in Alexander Dumas’: The Three Musketeers, joining the two other musketeeer Schistura species (aramis, athos) all found in the Nam Ou basin, northern Laos. (Ref. 128868), visit book page.
More on author: Kottelat.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 熱帶
Asia: Mekong in Nam Ngiap, Nam Khan, Nam Xuang, Nam Ou and Nam Tha basins in northern Laos.
亞洲: 在 Nam Ngiap ， Nam Khan ， Nam Xuang ，南烏河與 Nam Tha 流域在寮國北部的湄公河。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 8.6 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
Body massive, head broadly triangular from above; hump in front of dorsal origin in individuals over 60 mm SL; caudal peduncle very deep, 0.9-1.1 times longer than deep; anterior nostril pierced on front side of a flap; processus dentiformis present; lower lip interrupted medially; a conspicuous hard keel on back between dorsal and caudal fins and along lower edge of caudal peduncle; 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 9-17 bars, much wider than interspaces, of quite regular width but irregularly organized, often fused two by two along dorsal midline, or upper or lower part missing; black bar at caudal-fin base complete, wide, with anterior and posterior projections where it reaches dorsal and ventral midlines; dorsal fin with 2-3 blotches along base; dark marks on fin rays of all fins (Ref. 36949).
身体大的, 头部宽广三角形从上方; 在超过 60 mm SL 的个体中在背鳍起点之前隆起成圆丘形; 尾柄非常深的, 深地的 0.9-1.1 倍; 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; 一个显着的坚硬龙骨脊背面在背鳍与尾鳍鳍之间而且沿着尾柄的下缘; 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 9-17条横带,多比间隙宽, 相当一般宽度但是不规则地组织, 时常融合二二点之前沿着背鳍中线, 或上面的或较下面的部位不见的; 在尾鳍基底的黑色横带完全的, 宽的, 与前面与后面的突出在哪里它达到背部与腹的中线; 背鳍有 2-3个斑块沿着基底; 在所有鳍的鳍条上的深色印记.(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: 在 Nam Ngiap ， Nam Khan ， Nam Xuang ，南烏河與 Nam Tha 流域在寮國北部的湄公河。
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)
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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).
