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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
بوم شناسي
; آب شيرين نزديك كف زي. Tropical; 4°N - 2°N
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 / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 16.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 3820)
خارهاي باله پشتي (کل) : 0; شعاع نرم باله پشتي (کل) : 82 - 85; شعاع نرم باله مخرجي: 67 - 74; مهره ها: 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
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
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)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2024-1)
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: از بی علاقه گی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
Trophic level (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
جهندگی (Ref.
120179): زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
