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Channa orientalis Bloch & Schneider, 1801

Walking snakehead
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Viet Nam country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Present in Da River (Ref. 90167, 89724).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/vm.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Kottelat, M., A.J. Whitten, S.N. Kartikasari and S. Wirjoatmodjo, 1993
National Database:

Common names from other countries

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Anabantiformes (Gouramies, snakeheads) > Channidae (Snakeheads)
Etymology: Channa: Greek, channe, -es = an anchovy (Ref. 45335).
  More on authors: Bloch & Schneider.

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

Freshwater; brackish; benthopelagic; pH range: 6.0 - 8.0; dH range: 5 - 19; potamodromous (Ref. 51243).   Tropical; 23°C - 26°C (Ref. 1672)

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

Asia: Afghanistan and Baluchistan southward to Sri Lanka and eastward to Indonesia.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 33.0 cm TL male/unsexed; (Ref. 41236); common length : 16.0 cm TL male/unsexed; (Ref. 41236)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 33 - 36; Anal soft rays: 21 - 23. Caudal fin roundly pointed.

Biology     Glossary (e.g. epibenthic)

Obligate air-breathing (Ref. 126274); Are broadly adapted species occurring in rivers, lakes, ponds, mountain streams and even brackish water (Ref. 12693). Usually hide under the cover of marginal roots and bogwood. Found in quiet, shaded, clear, flowing water with a silt or gravel substrate (Ref. 6028). Can tolerate very stagnant, poorly oxygenated and turbid water. They also tolerate very foul water (Ref. 1479). Feed largely on insects and crustaceans. A small percentage of fish is also included in the diet. Spawn in shallow water with a silt or gravel substrate. Can tolerate a temperature of 36.5°C.

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Exhibits mouthbrooding. Eggs hatch in the mouth of the male and either parent may keep the brood in its mouth for protection after hatching. Fry have been found to feed on successive batches of eggs laid by the female.

Main reference Upload your references | References | Coordinator | Collaborators

Talwar, P.K. and A.G. Jhingran, 1991. Inland fishes of India and adjacent countries. Volume 2. A.A. Balkema, Rotterdam, i-xxii + 543-1158, 1 pl. (Ref. 4833)

IUCN Red List Status (Ref. 130435)

  Vulnerable (VU) (B1ab(iii)+2ab(iii)); Date assessed: 06 August 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial; aquarium: commercial
FAO(Publication : search) | FishSource |

More information

Trophic ecology
Food items
Diet compositions
Food consumptions
Food rations
Predators
Ecology
Ecology
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances
Life cycle
Reproduction
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larvae
Larval dynamics
Distribution
Countries
FAO areas
Ecosystems
Occurrences
Introductions
BRUVS - Videos
Anatomy
Gill areas
Brains
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
Swimming type
Swimming speeds
Visual pigment(s)
Fish sounds
Diseases / Parasites
Toxicities (LC50s)
Genetics
Genetics
Electrophoreses
Heritabilities
Human related
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
Outreach
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References
References

Tools

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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes(genus, species) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00573 - 0.01519), b=3.04 (2.90 - 3.18), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.8   ±0.59 se; based on food items.
Resilience (Ref. 120179):  Medium, minimum population doubling time 1.4 - 4.4 years (Fec = 933).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (23 of 100).
Price category (Ref. 80766):   Unknown.