分类 / Names
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Teleostei >
Siluriformes (Catfishes) >
Akysidae (Stream catfishes) > Akysinae
Etymology: Akysis: Derived from Greek, a = without + Greek, kysthos = bladder (Ref. 45335); clinatus: From the Latin clinatus, meaning slanting. This is in reference to the steeply-sloping predorsal profile of this species.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的. 热带
Asia: Stung Chhay River in Cambodia.
亚洲: 刺了在柬埔寨的 Chhay 河。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 3.3 cm SL 雄鱼/尚未辨别雌雄; (Ref. 56231)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 2; 背的软条 (总数) : 5; 臀鳍软条: 10 - 11; 脊椎骨: 32 - 34. A member of the Akysis variegatus group which differs from its congeners in possessing a short adipose-fin base (13.0-15.4% SL), a steeply-sloping predorsal profile and a unique combination of the following characters: pectoral spine length 16.1-17.4% SL, body depth at anus 15.7-17.0% SL, eye diameter 9-10% HL, anterior nostrils separated by more than half of interorbital distance, serrations on posterior edge of pectoral spine, and emarginate caudal fin (Ref. 56231).
在持有一个短的脂鳍基底 (13.0-15.4% SL) 方面有别于它的同类的 Akysis variegatus 群的一个成员, 一险峻地-倾斜的前背轮廓与下列特征的一个独特组合: 胸棘长度 16.1-17.4% SL, 在肛门 15.7-17.0% SL ，眼直径 9-10% HL 的体高, 前鼻孔借着超过一半的眼间距分开, 锯齿在胸棘的后缘上, 与边缘微凹的尾鳍.(参考文献 56231)
描述: 背鳍鳍条 2,4,i; 臀鳍棘条 iv,5,i ， iv,6,i ， v,5; 胸鳍鰭條我,5 歲, i; 腹鰭鰭條 i,5.(參考文獻 56231)
Found among leaf litter in a swift-flowing stream with a sandy bottom (Ref. 56231).
发现于在一个快速流动的水流腐叶中了底部为沙质的地方.(参考文献 56231)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
亚洲: 刺了在柬埔寨的 Chhay 河。
Ng, H.H. and W.J. Rainboth, 2005. Four new species of Akysis (Teleostei: Siluriformes: Akysidae) from mainland Southeast Asia, with comments on A. similis. Raffles Bull. Zool. Supplement (13):33-42. (Ref. 56231)
世界自然保护联盟红皮书 (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=0.00389 (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 (Ref.
69278): 3.4 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
