分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | 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); tizardi: Named for Robert Tizard, in gratitude for his help.
Eponymy: Robert John Tizard (d: 1971) is currently Senior Technical Advisor at the Wildlife Conservation Society (2005–2015) and also on the Board of Directors of Village Focus International (2001–2015). [...] (Ref. 128868), visit book page.
More on author: Kottelat.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
; 淡水 底中水層性. 熱帶
Asia: Mekong at the Xe Kong basin in Laos.
亞洲: 在寮國的 Xe Kong 流域的湄公河。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 4.9 cm SL 雄魚/尚未辨別雌雄; (Ref. 43281)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
Body cylindrical, its greatest depth in front of dorsal-fin origin, sometimes with a small hump; head flat with straight to concave dorsal profile and depressed snout; eyes slightly protruding above dorsal profile of head; anterior nostril pierced on front side of a flap; processus dentiformis present; no median notch in upper lip, median incision in lower lip; shallow 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; body with 7-9 bars, wider than interspaces, not very contrasted in front of dorsal-fin origin, not very regular; black bar at caudal-fin base almost complete but faint, often only contrasted on middle half of base, not reaching dorsal and ventral midlines; dorsal-fin base with a black spot anteriorly, followed by an orange spot and an elongate grey blotch; base of rays of upper caudal-fin lobe orange with a cloud of black pigments; body sometimes plain dark brown (Ref. 36949).
Body shape (shape guide): elongated; Cross section: circular.
身體圓筒形的, 它的最大的高度在背鰭起點之前, 有時有一個小的隆起; 頭部平坦的有直凹曲背面輪廓與扁平的吻; 眼些微地伸出頭部的上方背面輪廓; 前鼻孔在鰓蓋的在前面側邊上刺穿了; 活動 dentiformis 呈現; 在上嘴唇中的沒有中央的凹槽, 在下唇中的中動脈切口; 在下頜中的水淺中央的凹槽; 側線完整; 關於臀鰭前面起源的 1-2 眼直徑的肛門; 8.5 分枝的背鰭鰭條; 5.5 分枝的臀鰭棘條; 尾鰭邊緣微凹的, 藉由 9+8個分支條; 腋窩的腹鰭葉呈現; 身體有 7-9條橫帶,比間隙寬不被非常在背鰭起點之前對比, 不是很規則; 黑色的橫帶在尾鰭基底幾乎完成但是模糊的, 時常只在中央一半的基底上對比了, 不達到背部與腹的中線; 背鰭基底前面地具有一個黑色的斑點,跟隨著一個橘色的斑點與一個細長的灰色斑塊; 上尾部-鰭葉的鰭條的基底橘色的具有一個黑色素的雲; 身體有時深色無斑紋的褐色.(參考文獻 36949)
Found in main rivers, on gravel beds (Ref. 36949).
在礫石床上, 發現於主要河川了。 (參考文獻 36949)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
亞洲: 在寮國的 Xe Kong 流域的湄公河。
Kottelat, M., 2001. Fishes of Laos. WHT Publications Ltd., Colombo 5, Sri Lanka. 198 p. (Ref. 43281)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
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Estimates based on models
Phylogenetic diversity index (參考文獻
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).
營養階層 (參考文獻
69278): 3.0 ±0.3 se; based on size and trophs of closest relatives
回復力 (參考文獻
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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