分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes) >
Bagridae (Bagrid catfishes)
Etymology: Bagrus: Mozarabic, bagre, taken from Greek, pagros = a fish (Dentex sp.) (Ref. 45335).
More on author: Lönnberg.
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
; 淡水 居于水底的. 热带; 4°S - 6°S
Africa: restricted to the single type specimen from the Lubosi River (Luala tributary, lower Congo River basin) (Ref. 78218). Presence in the Lulua (Ref. 46243) unconfirmed and doubtful (Ref. 3236, 78218).
非洲: 刚果河中游系统。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 24.3 cm SL 雄鱼/尚未辨别雌雄; (Ref. 3236)
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) : 8 - 9; 臀鳍软条: 11. Head smooth above; snout broadly rounded; band of premaxillary teeth 6 times as long as broad, close to and nearly as broad as the crescentic band of vomerine teeth; maxillary barbel 2.25 times head length, reaching beyond pelvic fins; nasal barbel 0.4 times head length; inner mandibulary barbel 0.43 times head length; outer mandibulary barbel 0.86 times head length; occipital processus narrow and short, widely separated from the first interneural bone; longest branched ray of dorsal fin 0.71 times head length; dorsal spine very weak; adipose fin 4 times longer than high, much longer than the base of the dorsal fin; caudal fin deeply forked, both lobes with long filaments; pectoral spine weak with the outer half articulated (Ref. 52141).
Coloration: brown above with irregularly scattered small black dots which are most numerous on the caudal and adipose fin, but are also seen on the back and sides; no dots below lateral line; whitish below (Ref. 52141).
头部平滑的上方; 吻宽广地圆的; 上颌骨前齿 6 的条纹倍于宽度, 接近与几乎像牦骨齿的新月形条纹一样的宽; 上颌骨触须 2.25 倍于头长, 超过腹鳍; 鼻的触须 0.4 倍于头长; 内部的下颚触须 0.43 倍于头长; 外部的下颚触须 0.86 倍于头长; 后头骨活动狭窄的与短,与第一个背侧间的硬骨分得很开; 背鳍 0.71 的长分枝鳍条倍于头长; 背棘非常弱的; 脂鳍 4个长度与高度比率, 远长过背鳍基底; 尾鳍深深地分岔,双叶有长的丝状突起; 胸棘弱的与外部的一半接合.(参考文献 52141)
體色 上方褐色的有不規則的分散小黑色的點最多的在尾鰭與脂鰭上, 但是也在背部與側邊上被見到; 沒有點在側線下; 腹面略白的.(參考文獻 52141)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
非洲: 刚果河中游系统。
Risch, L.M., 1986. Bagridae. p. 2-35. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 3236)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-1)
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Estimates based on models
Phylogenetic diversity index (参考文献
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00402 - 0.02604), b=2.95 (2.72 - 3.18), 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 ±0.9 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).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).
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