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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.

Environment: milieu / climate zone / depth range / distribution range Ecologie

; zoet water demersaal. Tropical; 5°N - 4°N

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Africa: known only from the type locality, Yei River (draining into the Ghazal system, White Nile basin), in South Sudan (Ref. 248, 28714).

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 18.5 cm TL mannelijk / geslacht onbekend; (Ref. 3820)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 82; Anale zachte stralen: 62. Head short and oval-shaped dorsally; snout broadly rounded; eyes more laterally placed. Frontal fontanelle long and narrow; occipital fontanelle long and oval-shaped. Supraorbital and `dermosphenotic' bones separated, the latter somewhat reduced. Tooth plates broad. Pectoral spine straight; outer side with strong downward serrations. Gill rakers short and distantly set. Suprabranchial organ well developed. Openings of the secondary sensory canals display a regular pattern.

Facultative air-breathing (Ref. 126274); Nothing is known about the biology of this catfish (Ref. 78218).

Levenscyclus en paargedrag Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven

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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 op de Rode Lijst van het IUCN (Ref. 130435)

Onvoldoende gegevens (DD) ; Date assessed: 01 May 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 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).

Trofisch niveau (Ref. 69278): 3.3 ±0.5 se; based on size and trophs of closest relatives

Weerstandsvermogen (Ref. 120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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