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Pareutropius buffei (Gras, 1961)

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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 生態学

; 新鮮な水 底生の; pH range: 6.0 - 8.0; dH range: 5 - 19; potamodromous (Ref. 51243). Tropical; 24°C - 27°C (Ref. 1672); 14°N - 4°N

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Africa: lower Niger (Nigeria), lower Ouémé (Benin) and coastal freshwater lagoons lying between these rivers; also in the Cross River (Nigeria)(Ref. 57127, 81643).

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 11.5 cm TL オス/雌雄の選別がない; (Ref. 57961)

簡単な記述 検索表 | 形態学 | 形態計測学

背面の脊椎 (合計) : 1; 背鰭 (合計) : 4 - 5; 臀鰭: 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).

生物学     用語集 (例 epibenthic)

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 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生

Distinct pairing (Ref. 205). Lay about 100 eggs.

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

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のレッドリストの状況は (Ref. 130435: Version 2024-1)

  軽度懸念 (LC) ; Date assessed: 09 June 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 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).
栄養段階 (Ref. 69278):  3.2   ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  低い, ４．５年～１４年の倍増期間の最小個体群 (Fec=100).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).