Cameroon country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Found in the coastal rivers of (southern) Cameroon (Ref. 248) and in the middle Congo basin (Ref. 51193). Present in the Cross (Ref. 57129), Sanaga, Nyong (Ref. 81644), Kribi/Kienke (Ref. 81644, 92408) and Ntem (Ref. 81644).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/cm.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Teugels, G.G., D. Adriaens, S. Devaere and T. Musschoot, 2007
National Database:

Common names from other countries

厚丝胡鲶, Abugu, 厚絲鬍鯰, ... more

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Clariidae (Airbreathing catfishes)
Etymology: Clarias: Greek, chlaros = lively, in reference to the ability of the fish to live for a long time out of water.
More on author: Boulenger.

Environment: milieu / climate zone / depth range / distribution range Ecologie

; zoet water demersaal. Tropical; 6°N - 7°S

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Africa: from the coastal rivers of south Cameroon (up to the Sanaga river) southwards to the Ogooué system in Gabon and the middle Congo basin in the Democratic Republic of the Congo (Ref. 78218). Outside this area also reported from the Lualaba/upper Congo (Ref. 106245), the Kouilou-Niari in Republic of Congo (Ref. 92841), the Niger Delta (Ref. 57129) and Cross River in Nigeria (Ref. 31256, 57129), and from the Chad (Ref. 13331). A report from the Oueme River in Benin needs confirmation (Ref. 57129, 81644).

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 35.6 cm TL mannelijk / geslacht onbekend; (Ref. 57129)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 0; Dorsale zachte stralen (totaal): 81-95; Anale stekels 0; Anale zachte stralen: 63 - 76; Wervels: 65 - 67. Diagnosis: head length 19.6-24.6% SL (Ref. 81644). Head pointed in dorsal outline; snout short; tooth plates small; eyes dorsally located; "dermosphenotic" and supraorbital bones joined in specimens over 80 mm SL (Ref. 248). Frontal fontanella long and narrow ("knife-shaped")(Ref. 248, 57129, 81644). Occipital process long and oval-shaped (Ref. 248). Distance between occipital process and dorsal-fin base 4.3-10.5% SL (m = 8.1) (Ref. 81644). Gill rakers long, slender and distantly set (Ref. 248), 11-19 on 1st gill arch (Ref. 81644). Suprabranchial organ well developed (Ref. 248). Pectoral spine serrated on both sides (Ref. 57129), strongly on posterior face, weakly on anterior face (Ref. 81644). 65-67 vertebrae (Ref. 57129). Coloration: no information on colour in life (Ref. 57129). Preserved specimens uniformly dark brown on back and sides, and yellowish-brown on belly (Ref. 57129, 81644). Vertical series of small white spots on flanks (Ref. 57129).

Facultative air-breathing (Ref. 126274); Nothing is known on the biology and reproduction of this species (Ref. 78218).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Hoofdreferentie Upload your references | Referenties | Coördinator | Medewerkers

Teugels, G.G., 1986. A systematic revision of the African species of the genus Clarias (Pisces; Clariidae). Ann. Mus. R. Afr. Centr., Sci. Zool., 247:199 p. (Ref. 248)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet bedreigd (LC) ; Date assessed: 29 April 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00776 (0.00343 - 0.01757), b=2.97 (2.79 - 3.15), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 3.4 ±0.5 se; based on size and trophs of closest relatives

Weerstandsvermogen (Ref. 120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (26 of 100).

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