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Schilbe grenfelli
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分类 / Names 俗名 | 同种异名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopteri > Siluriformes (Catfish) > Schilbeidae (Schilbid catfishes)
Etymology: grenfelli: Referring to the type locality of the species, Boma, Lower Zaire River (Ref. 43912). More on author: Boulenger.
Etymology: grenfelli: Referring to the type locality of the species, Boma, Lower Zaire River (Ref. 43912). More on author: Boulenger.
Environment: milieu / climate zone / depth range / distribution range 生态学
; 淡水 居于水底的. 熱帶; 23°C - 26°C (Ref. 12468); 5°N - 0°N
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Africa: lower, middle and upper Congo River basin, including Pool Malebo (= Stanley Pool); Ogooué and Nyanga basins in Gabon; Ntem-Campo, Nyong and Lokoundje basins in Cameroon (Ref. 43912). Also in the Mitemboni River (Gabon-Equatorial Guinea border) and lower Nkomi River basin (Gabon)(Ref. 81643). Reports from the Lali River (upper Kouilou basin) in Republic of Congo or from the Chad basin are based on misidentified specimens; presence in the Ruzisi unlikely, based on a single specimen that is probably mislabelled (Ref. 43912).
非洲: 剛果河流域，奧克維河， Nyanga ， Ntem 與草原河。
非洲: 剛果河流域，奧克維河， Nyanga ， Ntem 與草原河。
大小 / 重量 / 年龄
简单描述 型态特徵 | 形态测量图
背棘 (总数): 1. Diagnosis: adipose fin present (Ref. 43912, 81643) and fully developed (Ref. 81643). Anterior nostrils closer to each other than the posterior pair; nasal barbel not reaching beyond the posterior border of the eye; inner side of pectoral spine weakly serrated; snout reaching beyond lower jaw; head rounded (Ref. 43912, 81643).
Omnivorous or predominantly carnivorous, feeding on fruits, leaves, grains, insect larvae and nymphs, and small fish; very voracious; juveniles found in floodplains during the rainy season, often hidden under floating trunks of trees which seems a favorite place for juvenile Schilbe and numerous other fish larvae; active swimmer, especially during the night, probably resting near the bottom during daytime (Ref. 43912). Oviparous, eggs are unguarded (Ref. 205). Important species in fishery terms (Ref. 78218). Flesh of this fish very tasty, its price rather elevated (Ref. 43912).
Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Distinct pairing (Ref. 205).非洲: 剛果河流域，奧克維河， Nyanga ， Ntem 與草原河。
主要参考文献
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De Vos, L., 1995. A systematic revision of the African Schilbeidae (Teleostei, Siluriformes). With an annotated bibliography. Ann. Mus. R. Afr. Centr., Sci. Zool., 271:1-450. (Ref. 43912)
对人类的威胁
无害处的
人类利用
渔业: 商业性
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Estimates based on models
Phylogenetic diversity index (Ref. 82805): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00399 - 0.02083), b=3.04 (2.85 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
回复力 (Ref. 120179): 高度, 族群倍增时间少于 15个月 (Assuming fec > 10,000).
脆弱性 (Ref. 59153): High vulnerability (56 of 100) .