Common names from other countries
分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Siluridae (Sheatfishes)
鯰科 (Sheatfishes)
Etymology: Pterocryptis: Greek, pteron = wing, fin + Greek, kryptos = hidden (Ref. 45335).
More on author: Valenciennes.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 熱帶
Asia: Nam Xam basin in Laos, Viet Nam, southeastern China (Ref. 43281) and Thailand (Ref. 9417).
亞洲: 在寮國,越南,中國東南方 (參考文獻 43281) 與泰國的 Nam Xam 流域.(參考文獻 9417)
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 40.1 cm TL 雄魚/尚未辨別雌雄; (Ref. 111347); common length : 16.4 cm SL 雄魚/尚未辨別雌雄; (Ref. 35840); 最大體重: 430.00 g (Ref. 111347)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 4; 臀鰭軟條: 57 - 73; 脊椎骨: 53 - 58. Unusually large genital papilla; males with a long conical papilla, while females with a flat, leaf-shaped papilla with a small projection at the tip. A unique combination of the following characters: head width 11.6-15.4% SL, head depth 8.2-9.9% SL, pelvic fin length 7.5-9.6% SL, length of dorsal fin base 0.8-1.9% SL, depth of caudal peduncle 6.2-7.6% SL, and principal caudal fin rays 14-16 (Ref. 41525). Dark brown body; dorsal surface purple; stomach light gray; all fins are light gray (Ref. 40516). Eye circular (Ref. 43281).
藉由異常大的生殖乳突; 雄性有一個長的錐形乳突, ,雌性具有一個平坦的, 葉形的乳突在頂端具有一個小的突出, 與下列特徵的一個獨特組合: 頭部寬度 11.6-15.4% Ls ,頭部深度 8.2-9.9% LS, 腹鰭長度 7.5-9.6% LS, 背鰭長基底 0.81.9% LS, 尾柄 6.2-7.6 的深度% LS, 與主要的尾鰭鰭條 14-16.(參考文獻 41525) 深褐色的身體; 背面紫色; 腹部淡灰色的; 所有的鰭是淡灰色的。 (參考文獻 40516) 眼圓形的.(參考文獻 43281)
Adults inhabit streams. They feed actively at night on small fish, crustaceans and insects.
棲息於溪流。 為食活躍地在晚上捕食小魚, 甲殼動物與昆蟲。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
亞洲: 在寮國,越南,中國東南方 (參考文獻 43281) 與泰國的 Nam Xam 流域.(參考文獻 9417)
Kottelat, M., 2001. Fishes of Laos. WHT Publications Ltd., Colombo 5, Sri Lanka. 198 p. (Ref. 43281)
CITES (Ref. 128078)
Not Evaluated
人類使用
漁業: 商業性
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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=0.00589 (0.00350 - 0.00989), b=3.00 (2.85 - 3.15), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 3.8 ±0.59 se; based on food items.
回復力 (Ref.
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 to moderate vulnerability (30 of 100).