Channa argus argus (Cantor, 1842)

Snakehead

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Perciformes \| Channidae
Synonyms	Ophicephalus argus, Channa argus, Ophicephalus argus, ... more
Common names	... more

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Picture by Naseka, A./B. Anokhin

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Main reference

Berg, L.S. 1965. (Ref. 2058)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 100.0 cm TL male/unsexed; (Ref. 56557); max. published weight: 8,000 g (Ref. 56557)

Length at first maturity

L_m 30.00 range ? - ? cm

Environment

Benthopelagic; freshwater

Climate / Range

Temperate; 14°C - 22°C (Ref. 2060); 54°N - 25°N, 111°E - 141°E

Asia: China and western and southern Korea. Japan (Ref. 6094) and the USA (Ref. 51238) report adverse ecological impact after introduction.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Dorsal soft rays (total): 49 - 54; Anal spines: 0; Anal soft rays: 32 - 38

Can stay out of the water for 3 to 4 days at temperatures ranging from 10 to 15°C. Matures at the age of 2 years and length of 30 cm. Spawns in June and July. Eggs are pelagic. Utilized for human consumption.


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Potential pest

Human uses
Fisheries: commercial; aquaculture: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

Tools
Biogeographic modelling \| E-book \| Field guide \| Length-frequency wizard \| Life-history tool \| Point map

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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Phylogenetic diversity index (Ref. 82805)

PD₅₀ = 0.5000

Resilience (Ref. 69278)

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Moderate vulnerability (43 of 100)	Not marketed/unknown

Entered by Luna, Susan M.

Modified by Orlov, Alexei

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Page last modified by : celloran, 20 January 2010

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