Common names:
[No common name]
Occurrence:
introduced
Salinity:
freshwater
Abundance:
|
Ref:
Importance:
|
Ref:
Aquaculture:
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Ref:
Regulations:
|
Ref:
Uses:
live export: yes;
Comments:
Reportedly introduced (Ref. 13686). Reported from Pool Malebo (Ref. 96563), but according to Ref. 43912, all reports of the species from the Congo basin are based on misidentifications of closely related species.
National Checklist:
Country Information:
https://www.cia.gov/library/publications/resources/the-world-factbook/geos/cf.html
National Fisheries Authority:
Occurrences:
OccurrencesPoint map
Main Ref:
FAO, 1997
National Database:
> Siluriformes (Catfishes) > Schilbeidae (Schilbid catfishes)
Etymology: mystus:Named for Mr. Adanson, collector of the type material of this species (Ref. 43912). More on author: Linnaeus.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce demersal; potamódromo (Ref. 51243); intervalo de profundidade 4 - 69 m. Tropical; 23°C - 27°C (Ref. 1672); 25°N - 27°S, 17°W - 45°E
Africa: Nilo-Sudanese species, known from the Nile basin and in West Africa from the Senegal River eastwards to the Cross, Wouri and Sanaga River, including the Chad basin (Ref. 43912). Various reports, including from the Ogowe and Congo River basin or Zambia and Zimbabwe, are based on misidentifications (Ref. 43912). Reports from Angola and Tanzania are questionable and need confirmation.
Length at first maturity / Tamanho / Peso / Idade
Maturity: Lm13.1, range 15 - ? cm Max length : 35.0 cm SL macho/indeterminado; (Ref. 57127); peso máx. Publicado: 250.00 g (Ref. 3799); Idade máx. registada: 7 anos (Ref. 7248)
Espinhos dorsais (total): 1; Raios dorsais moles (total): 6. Diagnosis: adipose fin present (Ref. 43912, 57127, 81643) and fully developed (Ref. (Ref. 57127, 81643). Anterior nostrils more closer to each other than to posterior ones; inner margin of pectoral-fin spine strongly denticulate posteriorly (Ref. 43912, 57127, 81643). Nasal barbel reaching to anterior eye margin (Ref. 57127, 81643), but never extending beyond posterior margin of eye (Ref. 43912, 57127, 81643). Mouth subterminal (Ref. 57127, 81643), snout reaching beyond lower jaw (Ref. 43912). 45-64 branched anal-fin rays and 8-15 gill rakers on lower limb of first gill arch (Ref. 43912, 57127, 81643).
Lacustrine as well as fluviatile species, confined to lakes and moderate to large rivers (Ref. 43912). Shoals in standing or slowly flowing open water with emergent or submerged vegetation. Generally more active at night or in subdued light. Feed from mid-water and surface waters on a wide variety of foods including fish, insects, shrimps, snails, plant seeds, and fruit. Oviparous, eggs are unguarded (Ref. 205). Often important spawning migrations occur (Ref. 43912). Breed during the rainy season and may be either a single or multiple spawner in different localities, laying eggs on vegetation. May live up to 6-7 years (Ref. 7248). Max total length 45.0mm (Ref. 43912). Also caught with drawnets. In general considered as a flavoured, first class eating fish (Ref. 43912).
De Vos, L., 1995. A systematic revision of the African Schilbeidae (Teleostei, Siluriformes). With an annotated bibliography. Ann. Mus. R. Afr. Centr., Sci. Zool., 271:1-450. (Ref. 43912)
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