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); pertica: From the Latin pertica (pole), a reference to the long, slender, rounded body.
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: Laos (Nam Ou basin) and Yunnan, China
亞洲: 寮國 (南烏河流域) 與中國雲南
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 6.6 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
Body elongate, slightly compressed, depth more or less uniform from head to caudal-fin base; head depressed, lateral head length 19.0-22.6 %SL; body depth 13.8-15.8 %SL; caudal peduncle length 16.6-18.9 %SL, depth 11.0-11.9 %SL, 1.44-1.70 times in length; anterior nostril pierced on front side of a flap; processus dentiformis present; no median notch in upper lip, lower lip with a median interruption; lower jaw with a median notch; 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 12-18 bars, narrower than or as wide as interspaces, sometimes very regularly shaped and set but usually irregularly shaped, incomplete, or interrupted, anterior ones often incomplete or fused at upper extremity but not meeting counterparts of other body side on back, leaving a narrow pale dorsal midline stripe, outlined on each side by a dark stripe; black bar at caudal-fin base incomplete, not reaching dorsal and ventral midlines, relatively broad and irregularly shaped, often split or with a constriction separating a black dot at upper extremity; a pale triangle in front of bar along both dorsal and ventral midlines; dorsal-fin base with an anterior black spot, followed by an orange patch and a low elongate grey blotch (Ref. 36949).
Body shape (shape guide): elongated; Cross section: compressed.
細長的身體, 些微扁長形, 深度約略均勻的從頭部到尾鰭基底; 扁平的頭部, 側面的頭長 19.0-22.6% SL; 體高 13.8-15.8% SL; 尾柄長度 16.6-18.9% SL ，深度 11.0-11.9% SL,1.44-1.70 倍長; 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, 下唇具有一個中央的中斷; 下頜有一個中央的凹槽; 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 12-18條橫帶 , 窄於或一樣寬間隙, 有時非常經常形狀與固定的但是通常形狀不規則的﹐不完全的, 或中斷, 前面的一些時常不完全的或者在最上層融合了但是不碰到其他身體側邊的相對物背面, 留下一個在一條深色斑紋旁邊的兩邊上被輪廓的狹窄的灰白背部中線斑紋; 在尾鰭基底的黑色橫帶不完全的不被達到背部而腹的中線, 相當寬而形狀不規則的, 時常分離或者具有一個在最上層分開一個黑色的點的壓縮; 在橫帶之前的一個灰白的三角形沿著背部與腹的中線; 背鰭基底有一個被跟隨著一個橘色的小區塊與一個低的細長灰色的斑塊的前面的黑色斑點。 (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: 寮國 (南烏河流域) 與中國雲南
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): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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