Channa argus, Snakehead : fisheries, aquaculture, aquarium

Channa argus (Cantor, 1842)

Snakehead
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Image of Channa argus (Snakehead)
Channa argus
Picture by Naseka, A. / Anokhin, B.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (Strahlenflosser) > Perciformes (Perch-likes) > Channidae (Snakeheads)
Etymology: Channa: Greek, channe, -es = an anchovy (Ref. 45335).

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

; süßwasser benthopelagisch.   Subtropical; 4°C - 22°C (Ref. 2060); 54°N - 25°N, 111°E - 141°E

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Asia: Amur southward to Xi Jiang and Hainan Island, China (Ref. 82587). Introduced elsewhere. Japan (Ref. 6094) and the USA (Ref. 51238) report adverse ecological impact after introduction.

Length at first maturity / Size / Gewicht / Alter

Maturity: Lm 30.0  range ? - ? cm
Max length : 100.0 cm TL Männchen/unbestimmt; (Ref. 56557); max. veröff. Gewicht: 8.0 kg (Ref. 56557)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 0; Rückenflossenweichstrahlen (insgesamt): 49-54; Afterflossenstacheln 0; Afterflossenweichstrahlen: 32 - 38

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Can stay out of the water for 3 to 4 days at temperatures ranging from 10 to 15°C (Ref. 37350). Is a typical ambush predator that lies in wait for its prey on the bottom. Hunts mainly in the morning and in the evening, feeding primarily on fish (Ref. 12569). Matures at the age of 2 years and length of 30 cm. Spawns in June and July (Ref. 56557). Eggs are pelagic. Utilized for human consumption.

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

Bogutskaya, N.G., A.M. Naseka, S.V. Shedko, E.D. Vasil'eva and I.A. Chereshnev, 2008. The fishes of the Amur River: updated check-list and zoogeography. Ichthyol. Explor. Freshwat. 19(4):301-366. (Ref. 82587)

IUCN Rote Liste Status (Ref. 120744)


CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Potential pest (Ref. 45309)





Nutzung durch Menschen

Fischereien: kommerziell; Aquakultur: kommerziell; Aquarium: Öffentliche Aquarien
FAO(Aquakultur: production; Fischereien: production; publication : search) | FishSource |

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Fortpflanzung
Geschlechtsreife
Ablaichen
Spawning aggregation
Fecundity
Eier
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Morphometrie
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Kiemenoberfläche
Otoliths
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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00496 - 0.01215), b=3.00 (2.87 - 3.13), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  4.4   ±0.3 se; Based on diet studies.
Generation time: 8.5 ( na - na) years. Estimated as median LN(3)/K based on 2 growth studies.
Widerstandsfähigkeit (Ref. 120179):  niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Preliminary K or Fecundity.).
Verwundbarkeit (Ref. 59153):  High vulnerability (62 of 100) .
Preiskategorie (Ref. 80766):   Unknown.