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Heterobranchus longifilis  Valenciennes, 1840

Sampa
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Native range | All suitable habitat
This map was computer-generated and has not yet been reviewed.
Heterobranchus longifilis   AquaMaps   Data sources: GBIF OBIS
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Image of Heterobranchus longifilis (Sampa)
Heterobranchus longifilis
Picture by Seegers, L.

Classificatie / Names Populaire namen | Synoniemen | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (Straalvinnigen) > Siluriformes (Catfish) > Clariidae (Airbreathing catfishes)
Etymology: Heterobranchus: Greek, heteros = other + Greek, brangchia = gill (Ref. 45335).   More on author: Valenciennes.

Omgeving / Klimaat / Range Ecologie

; zoetwater demersaal; potamodroom (Ref. 51243); diepteverspreiding 10 - ? m (Ref. 7248).   Tropical; 22°C - 23°C (Ref. 2059), preferred ?; 25°N - 22°S, 16°W - 40°E

Verspreiding Landen | FAO regio's | Ecosystems | Voorkomen | Point map | Introducties | Faunafri

Africa: Nile, Congo system, upper and middle Zambezi (Ref. 3820). Reported from Lake Rukwa and the lower Zambezi (Ref. 95585). Also from Lakes Tanganyika and Edward (Ref. 7248). In West Africa known from the Gambia, Upper Senegal, Niger, Benue, Lake Chad, Volta, and coastal basins from Guinea to Nigeria, including the delta of Niger and the Cross river (Ref. 57129).

Size / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 150 cm SL mannelijk/geslacht niet bekend; (Ref. 4967); Maximaal gepubliceerd gewicht: 55.0 kg (Ref. 7248)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 0; Dorsale zachte stralen (totaal): 26-35; Anale zachte stralen: 42 - 52; Wervels: 55 - 61. Diagnosis: length of rayed dorsal fin 27-36% standard length; 26-35 dorsal-fin rays; length of adipose fin 24-34% standard length; strong, downward-pointed serrations on the anterior part of the pectoral spine; width of vomerine tooth plate 25.0-32.2%, and width of premaxillary tooth plate 29.5-36.9% head length (ref. 57129). Posterior part of adipose fin blackish (Ref. 4967, 57129). Caudal fin with a whitish cross-bar (Ref. 57129). Head long, broad and somewhat rectangular in dorsal outline; snout broadly rounded; eyes superolateral in position; frontal fontanelle long and narrow; occipital fontanelle oval-shaped; tooth plates wide; suprabranchial organ well developed; pectoral spine strongly serrated on anterior side; caudal fin barred; openings of secondary canals hardly visible but display a regular pattern (Ref. 270). Coloration: preserved specimens: grey, greyish-brown to dark brown on back and sides, and pale brown to whitish on belly; some individuals marbled, particularly on posterior part of body; caudal fin often crossed by several vertical bars, one of which is whitish, hind margin of fin often white-edged; posterior part of adipose fin darker than anterior part (Ref. 57129).

Biologie     Verklarende woordenlijst (b.v. epibenthic)

An uncommon species which inhabits large rivers (Ref. 4967). Largest freshwater species in southern Africa; occurs in large deep rivers within the mainstream or in deep pools and lakes or backwaters (Ref. 7248, 78218). Most active at night, feeding on any available food, including invertebrates and insects when small, fish and other small vertebrates when large; scavenges off large carcasses and offal from riverside villages; live for 12 or more years (Ref. 7248). Maximum reported size for West Africa: 610 mm TL (Ref. 57129).

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

Voornaamste referentie Upload your references | Referenties | Coördinator | Medewerkers

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)

Status op de Rode Lijst van het IUCN (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Gevaarlijk voor mensen

  Harmless




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