Found in lakes, swamps and rivers (Ref. 31256). Avoids salt water (Ref. 31439). Spends nearly the whole of the daylight hours in crevices of rocks and is therefor seldom seen (Ref. 51850). Lives and feeds on or near the bottom (Ref. 3034). Adults exclusively piscivorous (Ref. 31256). Preys on small fish, particularly Alestes spp. (Ref. 13851), or Chrysichthys auratus as in Lake Kainji (Ref. 3034), but also feeds on insects, crustaceans and molluscs (some debris and vegetable matter may also be ingested) (Ref. 28714). Efficiency of catching prey catfish is maximised by face to face attack, avoiding damage by dorsal and pectoral spines of the prey (Ref. 33614). There is some indication that the species comes to shallower water to breed (Ref. 43507). Spawning season extends from April to July (Ref. 51850). Parents build and guard the nest, which is like a flat disc with a central hole where the eggs are dropped; size of the nest and the central hole depend on the fish size (Ref. 51638). Males become up to 7 years old, females 8 years (Ref. 51644). Mean sizes and weight of males are less than those of females from the same age (Ref. 51644, 51645). An important food fish. Flesh is good eating and of economic importance (Ref. 36900), commonly sold as food (Ref. 43521). Reputed to reach 100,000 g.
發現於湖,沼澤與河了。 (參考文獻 31256) 避開鹹水。 (參考文獻 31439) 幾乎度過岩石的裂隙的白天的全部並且是因之少見的.(參考文獻 51850) 生命並且吃或在底部的附近.(參考文獻 3034) 成魚專門以魚為食.(參考文獻 31256) 捕食小魚, 特別地 Alestes spp。 (參考文獻 13851), 或 Chrysichthys auratus 當在 Kainji湖中;(參考文獻 3034) 也吃昆蟲,甲殼動物,軟體動物,植物。 (參考文獻 28714) 捕捉獵物鯰魚的效率被面對面攻擊最大值, 避開損害被背部的與獵物的胸棘.(參考文獻 33614) 此魚種來到較淺的水域繁殖的有一些指證.(參考文獻 43507) 產卵季節延伸從四月到七月。 (參考文獻 51850) 親魚建立並且保衛巢, 是類似一平坦的體盤有一個中央的洞卵被降低哪裡。 (參考文獻 51638) 巢的大小與中央的洞仰賴魚大小。 (參考文獻 51638) 雄性變成達到 7 歲,8 年的雌性.(參考文獻 51644) 平均的大小與雄性的重量是少於雌性從的相同年齡。 (參考文獻 51644, 參考文獻 51645) 一個重要的食用魚。 肉是好的吃與經濟重要性 (參考文獻 36900), 通常賣作了食物.(參考文獻 43521) 相傳達到 100,000 g 。
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00766 - 0.01191), b=3.00 (2.94 - 3.06), in cm Total Length, based on LWR estimates for this species (Ref.
93245).
營養階層 (Ref.
69278): 4.0 ±0.2 se; based on diet studies.
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (tm=4-5; tmax=8; K=0.07-0.18; Fec=18,630-47,920).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (52 of 100).