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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: Poll.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
; süßwasser demersal. Tropical
Africa: Kwango, Kwilu and southern tributaries of the Kasai (middle Congo River system) in Angola (Ref. 248, 11970).
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 17.6 cm TL Männchen/unbestimmt; (Ref. 3820)
Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 72 - 84; Afterflossenweichstrahlen: 62 - 70. Body and fins darkly marbled and with irregular white blotches. Head rectangular dorsally; snout small; eyes dorsally located. Frontal fontanelle intermediate between `sole-shaped' and `knife-shaped'; occipital fontanelle very small. Supraorbital and `dermosphenotic' bones joined in specimens above 57.6 mm SL. Gill rakers relatively long, slender and distantly set. Degree of development of the suprabranchial organ variable, generally greatly reduced. Openings of the secondary sensory canals hardly visible.
Body shape (shape guide): elongated; Cross section: circular.
Facultative air-breathing (Ref. 126274); Nothing is known about the ecology and reproduction of this species (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
Tools
Zusatzinformationen
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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): 3.3 ±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).
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