>
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.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
; süßwasser demersal; potamodrom (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).
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 19.5 cm TL Männchen/unbestimmt; (Ref. 57129)
Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 64 - 70; Afterflossenweichstrahlen: 51 - 55; Wirbelzahl: 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).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
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 Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: nicht kommerziell
Tools
Zusatzinformationen
Download XML
Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (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).
Trophische Ebene (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Anfälligkeit der Fischerei (Ref.
59153): Low vulnerability (10 of 100).
🛈