分类 / 名称
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: Boulenger.
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; 3°N - 10°S
Africa: present throughout the Congo River basin (Ref. 2970, 42503, 44842, 51906, 106245, 106290), including the Dja in Cameroon, and the drainages of Kasai (Ref. 51686), Ubangi (Ref. 46252) and Pool Malebo (= Stanley Pool) (Ref. 42033, 51686) in Democratic Republic of the Congo.
非洲: 剛果河流域。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 31.5 cm TL 雄鱼/尚未辨别雌雄; (Ref. 46901)
背棘 (总数) : 1; 背的软条 (总数) : 8 - 10; 臀鳍软条: 9 - 12. Head smooth above (Ref. 1884, Ref. 2988). Sensory canals on head well developed (Ref. 1884). Snout broadly rounded (Ref. 2988). Palatine band of teeth about as large as band of premaxillary teeth (Ref. 1884, Ref. 2970), which is close to the crescentic band of vomerine teeth (Ref. 2988). Maxillary barbel 2.5-2.6 times longer than head (Ref. 2970), extending beyond root of pelvics (Ref. 2988). Nasal barbel 2 times in head length (Ref. 1884). Internal mandibular barbel 2.2-2.4 times in head length; external mandibular barbel 1-1.1 times in head length (Ref. 2970). Occipital processus very short, widely separated from the interneural bone (Ref. 42909, Ref. 46901). Length of dorsal fin base 1.6-1.8 times in base length of adipose fin (Ref. 2970). Dorsal spine present (Ref. 2988). First dorsal fin ray simple and soft (Ref. 2970). Last ray of dorsal fin above inner ray of pelvic fins (Ref. 2988). Distance between dorsal and adipose fin 2.5-2.6 times in base length of adipose fin; first 5 rays of anal fin simple and soft (Ref. 2970). Upper lobe of caudal fin with filament, less developed in lower lobe (Ref. 46901). Anterior side of pectoral spine not serrated (Ref. 2970), feebly denticulate on inner edge; pectoral spine strong (Ref. 2988). Pelvic fin a little shorter than pectoral fin (Ref. 1884). Some information on the caudal skeleton in Ref. 51975.
Coloration: back brownish, belly pale; small black spots on back, sides and partially on the adipose and caudal fin (Ref. 2970). A large blackish spot behind the shoulder may be present (Ref. 2988). The very long maxillary barbels are pale (Ref. 2970).
Body shape (shape guide): elongated.
头部平滑的上方.(参考文献 1884, 参考文献 2988) 头上的感觉管发展良好的.(参考文献 1884) 吻宽广地圆的。 (参考文献 2988) 齿的上颚条纹大约与上颌骨前齿 (参考文献 1884, 参考文献 2970) 的条纹一样大, 是接近牦骨齿的新月形条纹.(参考文献 2988) 上颌骨触须 2.5-2.6 倍头部 (参考文献 2970), 延伸超过腹鳍的根.(参考文献 2988) 鼻骨触须两倍头长.(参考文献 1884) 内在的颚触须 2.2-2.4 倍头长; 外部的颚触须 1-1.1 倍頭長.(參考文獻 2970) 後頭骨活動非常短的, 與背側間的硬骨分得很開.(參考文獻 42909, 參考文獻 46901) 背鰭長基底 1.6-1.8 脂鰭的倍基底長度.(參考文獻 2970) 背棘呈現。 (參考文獻 2988) 第一背鰭鰭條單一與軟的.(參考文獻 2970) 持續背鰭的鰭條腹鰭的在上面內部鰭條。 (參考文獻 2988) 背鰭與脂鰭鰭 2.5-2.6 脂鰭的倍基底長度之間的距離; 臀鰭的最初 5個鰭條單一與軟的.(參考文獻 2970) 具有絲狀突起的尾鰭上葉, 在下葉中的比較少的發展的.(參考文獻 46901) 不被鋸齒狀的 (參考文獻 2970) 的胸棘的前面側邊, 柔弱有小齒在內緣上; 強勁地的胸棘.(參考文獻 2988) 腹鰭稍微短於胸鰭.(參考文獻 1884) 參考文獻 51975 的一些關於尾鰭的資訊骨骼.
體色 背面褐色的, 腹面灰白的; 小的黑色斑點背面, 側邊與部份地在脂鰭與尾鰭上.(參考文獻 2970) 在肩後面的一個大的黑色斑點可能是存在的.(參考文獻 2988) 非常長的顎觸鬚是灰白的。 (參考文獻 2970)
Feeds on mud and small fishes (Ref. 51906). Can not be hooked (Ref. 51906). Mostly caught at night over muddy bottoms (Ref. 4910). Tasty when smoked (Ref. 51906). Lacks taste when raw and should be cooked with abundant red pepper (Ref. 51906).
吃泥与小鱼。 (参考文献 51906) 不能被钩住。 (参考文献 51906) 大部份捕获于了夜晚在泥沙底上面.(参考文献 4910) 好吃的当烟熏时.(参考文献 51906) 缺乏尝当生的肉而且应该被煮有丰富的红色胡椒粉.(参考文献 51906)
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: 剛果河流域。
Ankei, Y., 1989. Folk knowledge of fish among the Songala and the Bwari: comparative ethnoichthology of the Lualaba River and Lake Tanganyika fishermen. Afr. Stud. Monogr. 9(Suppl.):1-88. (Ref. 51906)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
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 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: 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): 4.2 ±0.73 se; based on food items.
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 vulnerability (22 of 100).
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