Channa argus, Snakehead : fisheries, aquaculture, aquarium

You can sponsor this page

Channa argus (Cantor, 1842)

Snakehead
Upload your photos and videos
Pictures | Google image
Image of Channa argus (Snakehead)
Channa argus
Picture by Naseka, A. / Anokhin, B.

Classification / Names Populärnamn | synonymer | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

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

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

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

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | 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 / Vikt / Age

Maturity: Lm 30.0  range ? - ? cm
Max length : 100.0 cm TL hane/ej könsbestämd; (Ref. 56557); publicerad maxvikt: 8.0 kg (Ref. 56557)

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 0; Mjukstrålar i ryggfenan (totalt): 49-54; Taggstrålar i analfenan 0; Mjukstrålar i analfenan: 32 - 38

Biologi     Ordlista (t.ex. 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 Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

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 Red List Status (Ref. 120744)


CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Potential pest (Ref. 45309)





Human uses

Fiskeri: kommersiell; Vattenbruk: kommersiell; Akvarium: Offentliga akvarier
FAO(Vattenbruk: produktion; fiskeri: produktion; publication : search) | FishSource |

Ytterligare information

Populärnamn
synonymer
Metabolik
Predatorer
Ekotoxikologi
Reproduktion
Könsmognad
Lek
Spawning aggregation
Fecundity
Ägg
Egg development
Age/Size
Tillväxt
Length-weight
Length-length
Length-frequencies
Morfometri
Morfologi
Larver
Larvdynamik
Rekrytering
Abundans
referenser
Vattenbruk
Vattenbruksprofil
Avelslinjer
Genetik
Allelfrekvenser
Ärftlighet
Sjukdomar
Behandling
Mass conversion
Medarbetare
Bilder
Stamps, Coins Misc.
Ljud
Ciguatera
Hastighet
Simsätt
Gälyta
Otoliths
Hjärnstorlek
Syn

Verktyg

Special reports

Download XML

Internet-källor

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).
Trofisk nivå (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.
Resiliens (Ref. 120179):  Låg, lägsta populationsfördubblingstid 4,5-14 år (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  High vulnerability (62 of 100) .
Price category (Ref. 80766):   Unknown.