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Teleostei >
Siluriformes (Catfishes) >
Bagridae (Bagrid catfishes)
Etymology: Bagrus: Mozarabic, bagre, taken from Greek, pagros = a fish (Dentex sp.) (Ref. 45335).
More on authors: Roberts & Stewart.
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 居于水底的. 熱帶; 6°N - 4°N
Africa: present in the rapids of the lower Congo River (Ref. 78218). Possibly only known from the type locality near Inga hydroelectric dam and near Gombe (or Ngombe), about 20 km downstream from Kinshasa, Lower Congo River (Ref. 3236, 42510).
非洲: 已知只來自模式標本產地。 (在 Inga 水電水壩與 Gombe 或 Ngombe 的附近大約 20 公里來自金沙薩的下游)
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 21.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 42510)
简单描述
检索表 | 型态特徵 | 形态测量图
臀鳍软条: 6 - 7. Eye small, decreasing in relative size with growth; occipital processus widely separated from first interneural bone; juveniles as well as adults bluish on the back and sides, with a darkened area in front of the dorsal fin (more noticeable in juveniles); undersides of head and abdomen pale, and edges of upper and lower caudal fin lobes whitish (Ref. 42510).
Body shape (shape guide): elongated.
眼小的, 随着成长在相关的大小中渐减; 后头骨活动分得很开第一个背侧间的硬骨; 稚鱼以及成鱼蓝色的在背部与侧边上, 在背鳍之前具有一个颜色较深区域;(更易见的在稚鱼中) 头部与腹部的下面灰白的, 与上、下尾鳍叶的边缘微白色的.(参考文献 42510)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
非洲: 已知只來自模式標本產地。 (在 Inga 水電水壩與 Gombe 或 Ngombe 的附近大約 20 公里來自金沙薩的下游)
Roberts, T.R. and D.J. Stewart, 1976. An ecological and systematic survey of fishes in the rapids of the Lower Zaïre or Congo River. Bull. Mus. Comp. Zool. 147(6):239-317. (Ref. 42510)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
易受伤害 (VU) (D2); Date assessed: 16 February 2009
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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) |
PD50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00871 (0.00415 - 0.01826), b=2.93 (2.76 - 3.10), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
营养阶层 (参考文献 69278) |
3.7 ±0.8 se; based on size and trophs of closest relatives |
回复力 (参考文献 120179) |
高度, 族群倍增时间少于 15个月 (Assuming Fec>10,000). |
渔业脆弱性 (Ref. 59153) |
Low to moderate vulnerability (35 of 100). 🛈 |