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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).
Eponymy: J Buffe was Director, Eaux et Forêts (Waters and Forests) Service, Dahomey (Benin). He wrote: Les Pêcheries en branchage „acadja“ des lagunes du Bas-Dahomey (1958). He was one of the party which collected the catfish holotype (1957). (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
; Γλυκού νερού βενθικό(ς); pH range: 6.0 - 8.0; dH range: 5 - 19; ποταμόδρομος (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).
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 11.5 cm TL αρσενικό/απροσδιόριστο; (Ref. 57961)
Ραχιαίες άκανθες (συνολικά) : 1; Μαλακές ραχιαίες ακτίνες (συνολικά) : 4 - 5; Μαλακές εδρικές ακτίνες: 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
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
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: Version 2024-1)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
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=0.00813 (0.00424 - 0.01557), b=3.05 (2.88 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Ελαστικότητα (Ref.
120179): Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (Fec=100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
