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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
বাস্তুসংস্থান
; স্বাদু পানি তলদেশ বিহারী. 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).
আকৃতি / ওজন / Age
Maturity: Lm ? range ? - ? cm
Max length : 16.0 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 3820)
পৃষ্ঠীয় কাঁটা (মোট ) : 0; পৃষ্ঠীয় নরম পাখনা দন্ড (মোট ) : 82 - 85; পায়ূর নরম পাখনা্তুন্ড: 67 - 74; কশেরুকা : 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
Maturities | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট
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)
Threat to humans
Harmless
Human uses
হাতিয়ার
Special reports
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ইন্টারনেট সুত্র
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=0.00776 (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).
ট্রফিক পর্যায়ে (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
স্থিতিস্থাপক (Ref.
120179): উচ্চ, সর্বনিম্ন প্রজন দ্বিগুনের সময় ১৫ মাস (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
