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Siluriformes (Catfishes) >
Bagridae (Bagrid catfishes)
Etymology: Bagrus: Mozarabic, bagre, taken from Greek, pagros = a fish (Dentex sp.) (Ref. 45335).
More on authors: Roberts & Stewart.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
; süßwasser demersal. Tropical; 6°N - 4°N
Africa: present in the rapids of the lower Congo River (Ref. 78218). Possibly only known from the type locality near Inga hydroelectric dam and near Gombe (or Ngombe), about 20 km downstream from Kinshasa, Lower Congo River (Ref. 3236, 42510).
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 21.0 cm SL Männchen/unbestimmt; (Ref. 42510)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Afterflossenweichstrahlen: 6 - 7. Eye small, decreasing in relative size with growth; occipital processus widely separated from first interneural bone; juveniles as well as adults bluish on the back and sides, with a darkened area in front of the dorsal fin (more noticeable in juveniles); undersides of head and abdomen pale, and edges of upper and lower caudal fin lobes whitish (Ref. 42510).
Body shape (shape guide): elongated.
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Roberts, T.R. and D.J. Stewart, 1976. An ecological and systematic survey of fishes in the rapids of the Lower Zaïre or Congo River. Bull. Mus. Comp. Zool. 147(6):239-317. (Ref. 42510)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref. 82804) |
PD50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00871 (0.00415 - 0.01826), b=2.93 (2.76 - 3.10), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trophische Ebene (Ref. 69278) |
3.7 ±0.8 se; based on size and trophs of closest relatives |
Widerstandsfähigkeit (Ref. 120179) |
hoch, Verdopplung der Population dauert weniger als 15 Monate. (Assuming Fec>10,000). |
Anfälligkeit der Fischerei (Ref. 59153) |
Low to moderate vulnerability (35 of 100). 🛈 |