分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Gastromyzontidae (Hillstream loaches)
Etymology: crassicauda: From the Latin crassus (thick) and cauda (tail), allusion to the stout caudal peduncle.
Eponymy: Mari Albert Johan Van Manen (1877–1943) was a Dutch ethnographer, theosophist and orientalist who made a specialty of the study of Tibet and its texts. [...] (Ref. 128868), visit book page.
More on author: Kottelat.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 熱帶
Asia: Nam Xam and Nam Ma basins in Laos. Expected to occur in Viet Nam.
亞洲: Nam Xam 與寮國的 Nam Ma 流域。 預期出現出現在越南。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 6.7 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
Caudal peduncle 1.2-1.5 times longer than deep, depth 9.3-10.7 %SL; anus closer to posterior extremity of pelvic-fin base than to caudal-fin origin; 12-16 black bars on body, their width about equal to eye diameter, quite regularly shaped and spaced in individuals larger than about 50 mm SL, less regular in smaller ones; juvenile with 3 broad black bars on body and a large black blotch on anterior half of caudal fin; 7-8 narrow saddles along back; pelvic, pectoral and anal fins plain colored, bright orange in life; 2 broad black stripes or row of spots on dorsal, 3 black bars or rows of spots on caudal fin; 15-16 branched pectoral-fin rays; 9 branched pelvic-fin rays (Ref. 36949).
尾柄 1.2-1.5 倍深的, 深度 9.3-10.7% SL; 超過到尾鰭起源的肛門腹鰭基底的更靠近在後部末端; 在身體上的 12-16條黑色的橫帶, 他們的寬度大約等於眼直徑, 相當經常形狀而且在個體中有間隔的大於大約 50 mm SL, 比較不規則在較小的一些中; 稚魚有在身體上的 3條寬的黑色橫帶而且在前半部的尾鰭上稚魚有一個大的黑色斑塊; 7-8 狹窄的鞍狀斑沿著背面; 腹鰭，胸鰭與臀鰭單色的, 鮮橘色的活著時; 2條寬的黑色斑紋或斑點的列背部的之上, 在尾鰭上的 3條黑色的橫帶或列的斑點; 15-16個分枝的胸鰭鰭條; 9個分枝的腹鰭鰭條.(參考文獻 36949)
Occurs in rapids, torrents and waterfalls (Ref. 36949).
出現於急流，奔流與瀑布。 (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: Nam Xam 與寮國的 Nam Ma 流域。 預期出現出現在越南。
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 2024-2)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00617 (0.00268 - 0.01421), b=3.11 (2.91 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.7 ±0.2 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
