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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 authors: Nichols & LaMonte.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande; flodvandrande (Ref. 51243). Tropical; 15°N - 4°S
Africa: Lake Chad basin, upper Benue system (Ref. 248, 57129) and Ubangi River drainage (middle Congo River basin) (Ref. 248). Report from Kogon River (Ref. 13331) unconfirmed and questionable (Ref. 248, 57129).
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 19.5 cm TL hane/ej könsbestämd; (Ref. 57129)
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 64 - 70; Mjukstrålar i analfenan: 51 - 55; Ryggkotor: 53 - 56. Diagnosis: length of vomerine tooth plate not exceeding length of premaxillary tooth plate; barbels not exceeding head length (Ref. 57129). Head rather pointed in dorsal outline; snout rounded; eyes dorsal; frontal fontanelle short and squat ('sole-shaped'); occipital fontanelle small and oval-shaped; supraorbital and `dermosphenotic' bones fused; tooth plates small; dorsal and anal fins not confluent with caudal fin; suprabranchial organ well developed; openings of secondary canals of lateral line appear as irregularly placed white spots on body (Ref. 248).
Body shape (shape guide): elongated; Cross section: oval.
Facultative air-breathing (Ref. 126274); The species' biology is unknown (Ref. 78218).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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 på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00372 - 0.01620), b=2.96 (2.79 - 3.13), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.4 ±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.).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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