分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Bagridae (Bagrid catfishes)
鱨科 (Bagrid catfishes)
Etymology: Bagrus: Mozarabic, bagre, taken from Greek, pagros = a fish (Dentex sp.) (Ref. 45335).
More on author: Boulenger.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 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 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 31.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 46901)
背棘 (總數) : 1; 背的軟條 (總數) : 8 - 10; 臀鰭軟條: 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).
頭部平滑的上方.(參考文獻 1884, 參考文獻 2988) 頭上的感覺管發展良好的.(參考文獻 1884) 吻寬廣地圓的。 (參考文獻 2988) 齒的上顎條紋大約與上頜骨前齒 (參考文獻 1884, 參考文獻 2970) 的條紋一樣大, 是接近犛骨齒的新月形條紋.(參考文獻 2988) 上頜骨觸鬚 2.5-2.6 倍頭部 (參考文獻 2970), 延伸超過腹鰭的根.(參考文獻 2988) 鼻骨觸鬚兩倍頭長.(參考文獻 1884) 內在的顎觸鬚 2.2-2.4 倍頭長; 外部的顎觸鬚 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 倍脂鰭的基底長度.(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).
吃泥與小魚。 (參考文獻 51906) 不能被鉤住。 (參考文獻 51906) 大部份捕獲於了夜晚在泥沙底上面.(參考文獻 4910) 好吃的當煙燻時.(參考文獻 51906) 缺乏嚐當生的肉而且應該被煮有豐富的紅色胡椒粉.(參考文獻 51906)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
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)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 16 February 2009
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00384 - 0.01800), b=2.95 (2.77 - 3.13), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.2 ±0.73 se; based on food items.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Assuming Fec>10,000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (22 of 100).
