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Siluriformes (Catfishes) >
Schilbeidae (Schilbid catfishes)
Etymology: Pareutropius: Greek, par = beside, near + Greek, eu = well + Greek, tropis = keel, in reference to the compressed body of the fish; buffei: Named for Mr Buffe, former Director of the "Service de Eaux et Forets" of Dahomey (now Benin) (Ref. 43912).
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة القاع; pH range: 6.0 - 8.0; dH range: 5 - 19; سمكة نهرية (Ref. 51243). Tropical; 24°C - 27°C (Ref. 1672); 14°N - 4°N
Africa: lower Niger (Nigeria), lower Ouémé (Benin) and coastal freshwater lagoons lying between these rivers; also in the Cross River (Nigeria)(Ref. 57127, 81643).
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 11.5 cm TL ذكر/ مختلط الجنس; (Ref. 57961)
الأشواك الظهرية (المجموع) : 1; الأشعة الظهرية الناعمة (المجموع) : 4 - 5; أشعه شرجية لينه: 28 - 36. Diagnosis: inner and sometimes outer side of pectoral spine with small serrations; 28-36 branched anal-fin rays; 5-9 gill rakers on lower limb of first gill arch; only one pair of mandibular barbels (Ref. 43912, 57127, 81643). Palatine teeth present (Ref. 57127, 81643). 6-8 branchiostegal rays on one side of head; 4-5 branched dorsal fin rays; peculiar coloration characterized by dark spot on upper and lower lobe of caudal fin, oblique lateral streak from posterior border of opercle to above anus and a mid-dorsal narrow dark line which is never continuous with upper caudal fin spot (Ref. 43912).
Probably lives in open water, in relation to its gregarious habits (Ref. 43912). Oviparous, eggs are unguarded (Ref. 205). Max. TL 81mm (Ref. 3570, 43912), max. SL 70 mm (Ref. 81643).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Distinct pairing (Ref. 205). Lay about 100 eggs.
De Vos, L., 1992. Schilbeidae. p. 432-449. In C. Levêque, D. Paugy, and G.G. Teugels (eds.) Faune des poissons d'eaux douces et saumâtres d'Afrique de l'Ouest Tome 2. Faune Tropicale n° 28. Musée Royal de l'Afrique Centrale, Tervuren, and O.R.S.T.O.M., Paris. (Ref. 7351)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00434 - 0.01593), b=3.05 (2.88 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Fec=100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
