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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.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
; acqua dolce; salmastro demersale; potamodromo (Ref. 51243). Tropical; 8°N - 5°N
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).
Lunghezza alla prima maturità / Dimensione / Peso / Età
Maturità: Lm 14.8, range 19 - ? cm
Max length : 50.0 cm TL maschio/sesso non determinato; (Ref. 43912)
Spine dorsali (totale) : 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.
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).
Distinct pairing (Ref. 205).
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)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
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Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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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). |
Livello trofico (Fonte Biblio. 69278) |
3.4 ±0.49 se; based on food items. |
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Generation time |
2.4 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Resilienza (Fonte Biblio. 120179) |
Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Assuming fec > 10,000). |
Vulnerabilità della pesca (Ref. 59153) |
Low to moderate vulnerability (29 of 100). 🛈 |