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) >
Akysidae (Stream catfishes)
河鯰科 (Stream catfishes) > Akysinae
Etymology: Akysis: Derived from Greek, a = without + Greek, kysthos = bladder (Ref. 45335).
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
; 淡水 底中水層性. 亞熱帶的
分布
國家 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Asia: Mekong basin in Yunnan, China.
亞洲: 中國雲南的湄公河流域。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 3.4 cm SL 雄魚/尚未辨別雌雄; (Ref. 79812)
Body grayish white, dark brown from snout to posterior end of base of dorsal fin, with a dark brown longitudinal band on anal fin to adipose fin and end of caudal peduncle, black stripes and small spots on dorsal, pectoral and caudal fins. Barbels 4 pairs; head wide and depressed; snout blunt and rounded; eyes very small and covered by skin membrane; caudal fins deeply concave and tip slightly blunt. Head and body covered with tubercles.
Body shape (shape guide): elongated.
身體白灰色, 深褐色的從吻尖到背鰭基底的後端, 具有一個對脂鰭與尾柄的末端, 黑色的斑紋與小的斑點臀鰭之上的深褐色的縱向條紋背部的之上, 胸鰭與尾鰭鰭。 觸鬚 4 對; 頭部寬的而且扁平的; 吻鈍的而且圓的; 眼非常小的而且被皮膚薄膜蓋著了; 尾鰭深深地凹曲與頂端些微鈍。 頭部與身體覆蓋著小瘤了。
Likes to live in clear pools with gravel bottom and usually swims in the current under rocks or beneath floating weeds to search for food. Carnivorous (Ref. 45563).
類似生活於清澈的水池有礫石的底部而且通常在岩石或者在下面漂浮的雜草下面的水流中游泳尋找食物。 肉食性.(參考文獻 45563)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
亞洲: 中國雲南的湄公河流域。
Ng, H.H. and M. Kottelat, 1998. The catfish genus Akysis Bleeker (Teleostei: Akysidae) in Indochina, with descriptions of six new species. J. Nat. Hist. 32:1057-1097. (Ref. 30226)
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=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (參考文獻
69278): 3.4 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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