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> Siluriformes (Catfishes) > Schilbeidae (Schilbid catfishes)
Etymology: mandibularis: From the Latin "mandibula" (lower jaw), probably referring to the rather well developed outer mandibular barbels (Ref. 43912).
More on author: Günther.
Etymology: mandibularis: From the Latin "mandibula" (lower jaw), probably referring to the rather well developed outer mandibular barbels (Ref. 43912).
More on author: Günther.
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲 生態学
; 新鮮な水; 汽水性の 底生の; potamodromous (Ref. 51243). Tropical; 8°N - 5°N
分布 領土 | 国連食糧農業機関の区域 | エコシステム | 事件 | 目的のマップ | 導入 | Faunafri
Africa: St. Paul River in Liberia up to the Pra in Ghana, including the rivers St. John, Farmington, Cess/Nipoué, Cavally, San Pedro, Sassandra, Boubo, Bandama, Agnébi, Comoé and Tano Rivers (Ref. 57127). Reports from the Ouémé River in Benin and the Volta basin need confirmation; reports from the Congo basin and Wouri River (Cameroon) are based on misidentified specimens of other species (Ref. 43912).
初回成熟時の長さ / サイズ / 重さ / 年齢
簡単な記述 検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 1. Diagnosis: large species, up to 300 mm SL or more (Ref. 57127). Anterior nostrils never closer to each other than the posterior ones; inner margin of pectoral-fin spine finely denticulate; 39-70 branched anal-fin rays; 8-15 gill rakers on lower limb of first gill arch; adipose fin always present (Ref. 43912, 57127). Lower jaw reaching as far as or a little shorter than upper jaw; brownish longitudinal stripes along sides and anal fin (Ref. 43912).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Found in riverine and lacustrine conditions; prefers freshwater but has also been recorded from brackish water lagoons in mixohaline water; voracious and carnivorous (Ref. 43912). Feed mainly on (terrestrial) insects (Ref. 6868, 43912) and fish, but also fruits, amphibians, small rodents and Arachnida have been found in stomachs (Ref. 43912). Oviparous, eggs are unguarded (Ref. 205).
ライフサイクルと交尾行動 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Distinct pairing (Ref. 205).
主な参考文献
参考文献のアップロード | 参考文献 | コーディネーター | 協力者
De Vos, L., 1986. Schilbeidae. p. 36-53. 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. 3570)
CITES
Not Evaluated
人間に対する脅威
Harmless
人間の用途
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インターネットの情報源
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モデルに基づく推定値
|
系統多様性指数 (参照 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.00617 (0.00372 - 0.01022), b=3.12 (2.98 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
|
栄養段階 (参照 69278) |
3.4 ±0.49 se; based on food items. |
| Generation time | 2.4 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
|
回復力 (参照 120179) |
高い, １５か月以下の倍増期間の最小個体群 (Assuming fec > 10,000). |
|
漁業の脆弱性 (Ref. 59153) |
Low to moderate vulnerability (29 of 100). 🛈 |