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: Kryptopterus: Greek, kryptos = hidden + Greek, pteron = wing. Fin (Ref. 45335); baramensis: Named for the Baram River drainage in northern Borneo..
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶
Asia: Borneo, Malaysia.
亞洲: 婆羅洲,馬來西亞。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 24.9 cm SL 雄魚/尚未辨別雌雄; (Ref. 42937)
簡短描述
型態特徵 | 形態測量圖
背的軟條 (總數): 1; 臀鰭軟條: 70 - 79; 脊椎骨: 57 - 59. Pectoral fin length 14.0-16.9% SL; pectoral spine length 9.0-11.0% SL; eye diameter 20.0-23.9% HL; vomerine teeth present in two closely-situated elliptical patches; a distinct nuchal concavity; and mandibular barbels reaching beyond anterior base of anal fin. Pectoral spine and articulated segments sexually dimorphic in mature individuals. Male with spine broad and somewhat flattened dorsoventrally, with 10-12 distinct posterior serrations; proximal articulated segments with 9-18 well-developed posterior serrations. Females with spine slender, with 12-14 smaller posterior serrations; proximal articulated segments with 6-9 small and poorly-developed posterior serrations. Fins hyaline, with small dark-brown spots occasionally present (Ref. 42937).
胸鰭長度 14.0-16.9% SL; 胸棘長度 9.0-11.0% SL; 眼直徑 20.0-23.9% HL; 犛骨齒出現在二接近地-位於橢圓的區塊; 一個明顯的頸背凹窪; 而且超過前面的臀鰭基底鰭的顎骨觸鬚。 胸棘而且接合片段性別雙型性在成熟的個體中。 雄魚有棘寬的而且略微有背腹性地平的, 與 10-12 明顯的在後部的鋸齒; 用 9-18個發展良好的在後部鋸齒的近端被接合的片段。 雌魚有棘細長的, 藉由 12-14個比較小的在後部的鋸齒; 近端的被接合的片段 6-9個小的與發展不良的在後部的鋸齒。 鰭透明的, 有小的深褐色的斑點偶然存在.(參考文獻 42937)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
亞洲: 婆羅洲,馬來西亞。
Ng, H.H., 2002. Descriptions of two new species of Kryptopterus from Thailand and Borneo in the K. limpok species group (Teleostei: Siluridae). Ichthyol. Explor. Freshwat. 13(1):67-72. (Ref. 42937)
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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=0.00562 (0.00278 - 0.01137), b=3.00 (2.83 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.1 ±0.7 se; based on size and trophs of closest relatives
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 vulnerability (20 of 100).