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> 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: Peters.

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

; sötvatten bottenlevande. Tropical; 4°N - 2°N

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Africa: Kribi (Kienke) and Lobé/Lobi in Cameroon (Ref. 248, 78218, 81644), Komo and Ntem in Cameroon and Gabon, and the Ogowe in Gabon (Ref. 81644). Other reports unconfirmed in Ref. 248, 78218 or 81644, including reports from the rivers Boumba and Lobi (Dja system, middle Congo River basin) in Cameroon (Ref. 51193), Luongo River (upper Congo River basin) in Zambia (Ref. 27609), Zambezi, Chobe and Kwando in Namibia (Ref. 37065) and Ehoma floodplain in Nigeria (Ref. 52861). Reports from the Kasai, Kwango and Kwilu systems in Ref. 11970 refer to Clarias platycephalus, C. angolensis and C. dumerilii (Ref. 114852).

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 16.0 cm TL hane/ej könsbestämd; (Ref. 3820)

Short description Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 82 - 85; Mjukstrålar i analfenan: 67 - 74; Ryggkotor: 66 - 69. Diagnosis: head short (Ref. 248), its length 18.3-20.6% SL (Ref. 81644), small and rather rounded in dorsal outline (Ref. 248). Eyes dorsally located; frontal fontanelle extremely short and oval-shaped; occipital fontanelle oval-shaped; "dermosphenotic" and supraorbital bones joined and well developed (Ref. 248). Tooth plates relatively broad (Ref. 248), width of premaxillary band 26.2-29.7% HL, width of vomerine band 24.5-26.5% HL (Ref. 81644). Pectoral spine slightly curved (Ref. 248), strongly serrated on posterior face, weakly serrated on its anterior face (Ref. 81644). Gill rakers long, slender and distantly set; suprabranchial organ well developed (Ref. 248). Oenings of secondary sensory canals regularly placed along flanks (Ref. 248, 81644).

Facultative air-breathing (Ref. 126274); The biology of this species is in the main unknown (Ref. 78218). Maximum size reported is 159mm TL (Ref. 81644).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

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)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Sårbar, se IUCNs rödlista (VU) (D2); Date assessed: 16 February 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fiskeri: saknar intresse

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00794 (0.00357 - 0.01766), b=2.96 (2.78 - 3.14), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Trofisk nivå (Ref. 69278): 3.3 ±0.5 se; based on size and trophs of closest relatives

Resiliens (Ref. 120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Clarias submarginatus Peters, 1882