分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes) >
Akysidae (Stream catfishes) > Akysinae
Etymology: Akysis: Derived from Greek, a = without + Greek, kysthos = bladder (Ref. 45335).
环境：氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 底中水层性. 亞熱帶的
分布
领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Asia: Mekong basin in Yunnan, China.
亞洲: 中國雲南的湄公河流域。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 3.4 cm SL 雄鱼/尚未辨别雌雄; (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.
身体白灰色, 深褐色的从吻尖到背鳍基底的后端, 具有一个对脂鳍与尾柄的末端, 黑色的斑纹与小的斑点臀鳍之上的深褐色的纵向条纹背部的之上, 胸鳍与尾鳍鳍。 触须 4 对; 头部宽的而且扁平的; 吻钝的而且圆的; 眼非常小的而且被皮肤薄膜盖着了; 尾鳍深深地凹曲与顶端些微钝。 头部与身体覆盖着小瘤了。
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).
类似生活于清澈的水池有砾石的底部而且通常在岩石或者在下面漂浮的杂草下面的水流中游泳寻找食物。 肉食性.(参考文献 45563)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
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)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
易受伤害 (VU) (B2ab(iii)); Date assessed: 04 November 2022
人类利用
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基于模型的估算
系统发育多样性指数 (参考文献
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).
营养阶层 (参考文献
69278): 3.3 ±0.6 se; based on size and trophs of closest relatives
渔业脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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