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Siluriformes (Catfishes) >
Clariidae (Airbreathing catfishes)
Etymology: Heterobranchus: Greek, heteros = other + Greek, brangchia = gill (Ref. 45335).
Eponymy: George Albert Boulenger (1858–1937) was a Belgian-British zoologist at the British Museum, London. [...] (Ref. 128868), visit book page.
More on author: Pellegrin.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
; süßwasser demersal. Tropical
Africa: Lake Mweru system below Johnston Falls, including Mweru Wantipa (Ref. 78218), in Democratic Republic of the Congo and Zambia.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 64.0 cm TL Männchen/unbestimmt; (Ref. 270)
Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 31 - 39; Afterflossenweichstrahlen: 46 - 50. Barbels short. Head spatulate in dorsal outline; snout rectangular and lower jaw extending beyond upper. Gill arches extended anteriorly. Suprabranchial organ well developed. Pectoral spine serrated on base of outer side. Openings of secondary sensory canals display a regular geometric pattern.
Body shape (shape guide): elongated; Cross section: circular.
Facultative air-breathing (Ref. 126274); Diet of adults consists of fishes. Juveniles feed on insect larvae and other invertebrates (Ref. 78218).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Teugels, G.G., B. Denayer and M. Legendre, 1990. A systematic revision of the African catfish genus Heterobranchus Geoffroy-Saint-Hilaire, 1809 (Pisces: Clariidae). Zool. J. Linn. Soc. 98:237-257. (Ref. 270)
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 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00741 (0.00344 - 0.01597), b=2.97 (2.79 - 3.15), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trophische Ebene (Ref. 69278) |
3.6 ±0.6 se; based on size and trophs of closest relatives |
Widerstandsfähigkeit (Ref. 120179) |
mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.). |
Anfälligkeit der Fischerei (Ref. 59153) |
Moderate vulnerability (39 of 100). 🛈 |