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Teleostei >
Siluriformes (Catfishes) >
Akysidae (Stream catfishes) > Parakysinae
Etymology: Parakysis: Greek, para = the side of + Greek, kysthos = bladder (Ref. 45335); notialis: From the Greek notos, meaning southern, in reference to the distribution of this species (southern Borneo) (Ref. 50510).
More on authors: Ng & Kottelat.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的. 熱帶
Asia: known only from the Barito River drainage, southern Borneo.
亞洲: 已知只來自巴里多河流域，婆羅洲南部了。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 2.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 50510)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 1; 背的软条 (总数) : 3; 臀棘: 0; 臀鳍软条: 8 - 9; 脊椎骨: 30 - 31. Head length 26.5-27% SL; conical head; presence of median concavity on margin of lower lip; presence of laterosensory canal pore between inner and outer mandibular barbels, branched outer mandibular barbels, branches of inner mandibular barbels separated; deeply forked caudal fin with pointed lobes; 10 branched principal caudal fin rays; sparsely pigmented caudal fin; absence of light brown saddle from base of posteriormost dorsal fin ray to caudal peduncle (Ref. 50510).
头长 26.5-27% SL; 锥形头部; 在下唇的边缘上有中央的凹洼; 有在内部而外部的颚触须，分枝的外部颚触须之间的侧线管孔,内部颚的触须的分支分开; 深深地叉型尾有尖的叶; 10 分枝了主要的尾鳍鳍条; 稀疏地有颜色尾鳍了; 缺乏来自最后面背鳍鳍条到尾柄的基底的淡褐色鞍状斑。 (参考文献 50510)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
亞洲: 已知只來自巴里多河流域，婆羅洲南部了。
Ng, H.H. and M. Kottelat, 2003. Parakysis notialis, a new species of akysid catfish from Borneo (Siluriformes: Akysidae). Ichthyol. Res. 50(1):48-51. (Ref. 50510)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
极度濒危 (CR) (B2ab(iii)); Date assessed: 01 September 2018
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [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): 3.1 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
