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); 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.
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: 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 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 8.6 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 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).
Body shape (shape guide): elongated; Cross section: compressed.
身體大的, 頭部寬廣三角形從上方; 在超過 60 mm SL 的個體中在背鰭起點之前隆起成圓丘形; 尾柄非常深的, 深地的 0.9-1.1 倍; 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; 一個顯著的堅硬龍骨脊背面在背鰭與尾鰭鰭之間而且沿著尾柄的下緣; 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 9-17條橫帶,多比間隙寬, 相當一般寬度但是不規則地組織, 時常融合二二點之前沿著背鰭中線, 或上面的或較下面的部位不見的; 在尾鰭基底的黑色橫帶完全的, 寬的, 與前面與後面的突出在那裡它達到背部與腹的中線; 背鰭有 2-3個斑塊沿著基底; 在所有鰭的鰭條上的深色印記.(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: 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)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 09 July 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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