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Channa marulius  (Hamilton, 1822)

Great snakehead

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

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

Environment / Climate / Range Ecology

Freshwater; benthopelagic; potamodromous (Ref. 51243).   Tropical; 24°C - 28°C (Ref. 2060)

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 183 cm TL male/unsexed; (Ref. 6351); common length : 46.0 cm TL male/unsexed; (Ref. 4833); max. published weight: 30.0 kg (Ref. 4833)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Asia: India to China, south to Thailand and Cambodia (Ref. 12693) and Pakistan (Ref. 4833).

Biology     Glossary (e.g. epibenthic)

Adults occur in sluggish or standing water in canals, lakes, and swamps (Ref. 12693). Inhabit waters with submerged aquatic vegetation (Ref. 12693). Usually found only in deep pools in rivers and occasionally in lakes. They enter flooded forest (Ref. 9497). Carnivorous and subsist on fish, frogs, snakes, insects, earthworms and tadpoles (Ref. 1479). There are reports of this species taking water birds, snakes, and rodents. Males are territorial. May bite when caught (Elliot Bligh, pers. comm., 2001).

Main reference Upload your references | References | Coordinator | Collaborators

Rüber, L., R. Britz and R. Zardoya, 2006. Molecular phylogenetics and evolutionary diversification of labyrinth fishes (Perciformes: Anabantoidei). Syst. Biol. 55(3):374-397. (Ref. 58343)

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Traumatogenic




Human uses

Fisheries: commercial; aquaculture: commercial; gamefish: yes; aquarium: public aquariums
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00531 - 0.01641), b=2.93 (2.77 - 3.09), based on LWR estimates for species & Genus-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  4.5   ±0.80 se; Based on food items.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (K=0.23).
Vulnerability (Ref. 59153):  Moderate to high vulnerability (55 of 100) .
Price category (Ref. 80766):   Unknown.