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Siluriformes (Catfishes) >
Clariidae (Airbreathing catfishes)
Etymology: Heterobranchus: Greek, heteros = other + Greek, brangchia = gill (Ref. 45335).
More on author: Pellegrin.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bottenlevande. Tropical
Africa: Lake Mweru system below Johnston Falls, including Mweru Wantipa (Ref. 78218), in Democratic Republic of the Congo and Zambia.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 64.0 cm TL hane/ej könsbestämd; (Ref. 270)
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 31 - 39; Mjukstrålar i analfenan: 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.
Facultative air-breathing (Ref. 126274); Diet of adults consists of fishes. Juveniles feed on insect larvae and other invertebrates (Ref. 78218).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
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 Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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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=0.00741 (0.00333 - 0.01648), b=2.97 (2.78 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.6 ±0.6 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (46 of 100).