分類 / 名稱
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); pervagata: From the Latin pervagatus (common, banal).
More on author: Kottelat.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水 底中水層性. 熱帶
Asia: Laos and Viet Nam.
亞洲: 寮國與越南。
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 8.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 40772)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
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).
Body shape (shape guide): elongated; Cross section: compressed.
側面的頭長 23.1-26.5% SL; 前背的距離 52.3-54.9% SL; 腹鰭前的距離 52.3-54.8% SL; 體高 15.4-17.4% SL; 尾柄長度 14.9-18.6% SL。, 深度 11.7-13.6% SL,1.17-1.51 倍長; 前鼻孔在鰓蓋的在前面側邊中刺穿了; 活動 dentiformis 呈現; 在上嘴唇中的沒有中央的凹槽或唯一的很淺凹槽, 在下唇中的一個中央的切口; 在下頜中的沒有中央的凹槽; 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; 頭頂以蠕蟲爬跡形為裝飾的; 身體有 8-13條橫帶, 與或一樣寬比間隙寬, 從相當規則到形狀不規則的而且組織, 但是通常少許的不完全或分枝的橫帶; 在背面對面的前背區域, 橫帶或連續中, 交互的或進入小的斑塊之內分離; 黑色的橫帶在尾鰭基底約略完成, 通常在上、下末端不達到背部而腹的中線通常有在後部的突出; 背鰭基底前面地有黑色的斑點, 跟隨著一個灰白的小區塊與一個低的, 細長的灰色斑塊。 (參考文獻 36949)
Found in riffles and rapids (Ref. 36949).
發現於急流與急流了。 (參考文獻 36949)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
亞洲: 寮國與越南。
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 2025-2 (Global))
無危 (LC) ; Date assessed: 10 October 2011
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基於模型的估計
系統發育多樣性指數 (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00323 - 0.01553), b=3.03 (2.86 - 3.20), 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): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
釣魚的脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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