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Anabantiformes (Gouramies, snakeheads) >
Channidae (Snakeheads)
Etymology: Channa: Greek, channe, -es = an anchovy (Ref. 45335); nox: From the dark body color of the fish.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water benthopelagisch. Subtropical
Asia: China.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 19.8 cm SL mannelijk / geslacht onbekend; (Ref. 43157)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale zachte stralen (totaal) : 47 - 51; Anale zachte stralen: 31 - 33; Wervels: 53 - 55. Dorsal surface of the body dark; 8-11 irregular (often anteriorly pointed V-shaped) black blotches or bands on upper half of the body; a white-rimmed black ocellus on caudal peduncle; sparse white spots on body and dorsal and caudal fins. Hyomandibular process with the mid- to lower lateral edge mesially protruded. One to 2 small to medium-sized scales found on the undersurface of each side of the lower jaw. Pelvic fin absent. Cheek scales 9-13 (Ref. 43157).
Obligate air-breathing (Ref. 126274); Generally restricted to relatively narrow regions, characterized by humid rainforest climate (Ref. 43157).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Zhang, C.-G., P. Musikasinthon and K. Watanabe, 2002. Channa nox, a new channid fish lacking a pelvic fin from Guangxi, China. Ichthyol. Res. 49(2):140-146. (Ref. 43157)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel
Tools
Speciale rapporten
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00381 - 0.01816), b=2.98 (2.81 - 3.15), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.7 ±0.6 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 (14 of 100).