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); 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
生態學
; 淡水 底中水層性. 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 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 4.9 cm SL 雄魚/尚未辨別雌雄; (Ref. 36949)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
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.
前鼻孔在鰓蓋的在前面側邊上刺穿了; 活動 dentiformis 呈現; 下唇中間地中斷, 在上嘴唇中的沒有中央的凹槽; 在下頜中的沒有中央的凹槽; 體高 14.3-15.8% SL; 尾柄長度 14.5-15.8% SL ，深度 10.5-11.8% SL,1.26-1.44 倍長; 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; 頭頂有斑點的; 身體有 8-10條橫帶 , 與或一樣寬窄於間隙, 不是非常經常形狀與組, 時常進入一個斑塊之內分離沿著側邊與一個斑塊沿著背鰭中線; 一條模糊的灰色側面中央的斑紋或列的縱向地細長的斑塊重疊了到橫帶圖案; 黑色的橫帶在尾鰭基底約略完成, 時常不達到被彎曲向前地的腹的中線沿著背鰭中線; 背鰭基底在被跟隨著一個橘色的點與一個灰色的細長斑塊的前面的末端具有一個黑色的斑點。 (參考文獻 36949) 背部中央斑塊也可能被融合成一條背部中央斑紋。 (參考文獻 43281)
Inhabits riffles and creeks (Ref. 36949).
棲息於急流與小溪。 (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: 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)
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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