Ophiocephalus kelaarti is a Misapplied Synonym of Channa orientalis and also a Valid Name or Synonym of another species as well.

Channa orientalis Bloch and Schneider, 1801

Walking Snakehead - Cheng - Native Fish - Wild (Freshwater)

view: Dorso-lateral [Hossain, 2019]

Systematic Position: [2]

Kingdom	:	Animalia
Phylum	:	Chordata
Class	:	Teleostei
Order	:	Perciformes
Family	:	Channidae
Genus	:	Channa
Species	:	Channa orientalis

Common Names:

English	:	Walking Snakehead[729] Ceylon Snakehead[729] Asiatic Snakehead[729]
Bangla	:	Cheng[5] Gachua[5] Raga[5] Tahi[729] Cheng taki[728] Bedla maach[729] Telo taki[729] Khelo taki[729] Laua[729] Kaubba chengi[729]

Synonyms:

Channa gachua (Non Hamilton, 1822)
Ophiocephalus aurantiacus (Non Hamilton, 1822)
Channa gahua (Non Hamilton, 1822)
Ophiocephalus marginatus (Non Cuvier, 1829 Mar)
Ophiocephalus coramota (Non Cuvier, 1831 Apr)
Ophiocephalus fusca (Non Cuvier, 1831 Apr)
Ophiocephalus limbatus (Non Cuvier, 1831 Apr)
Ophiocephalus montanus (Non McClelland, 1842)
Philypnoides surakartensis (Non Bleeker, 1849 Aug)
Ophiocephalus apus (Non Canestrini, 1861)
Ophiocephalus gachua kelaarti (Non Günther, 1861)
Ophiocephalus kelaarti (Non Günther, 1861)
Ophiocephalus kelaartii (Non Günther, 1861)
Ophiocephalus gachua malaccensis (Non Peters, 1868)
Ophiocephalus harcourtbutleri (Non Annandale, 1918)
Channa burmanica (Non Chaudhuri, 1919)

Maximum Length and Weight:

135 mm (TL) ^[5] 13 cm (SL) ^[6]

Inter-Length Relationship:

Head length : Total length : Standard length = 1 : 3.8-4.2 : 3.2-3.5 ^[5]
Body height : Total length : Standard length = 1 : 5.6-6.3 : 4.8-6 ^[5]
Eye Diameter : Head length = 1 : 6.3-7 ^[5]
Eye Diameter : Snout length = 1 : 1.5-2 ^[5]
Eye Diameter : Inter orbial width = 1 : 2-2.7 ^[5]

Taxonomic Formula:

D. 31-36; P₁. 14-15; P₂. 6; A. 20-24 ^{[Rahman, 2005]}
D 32-37; A 20-23; P 14-15; V 6 ^{[Talwar and Jhingran, 1991]}

Scales:

42-45 scales on lateral line. 4.5 scales between origin of dorsal fin and lateral line. 6.5 scales between origin of pelvic fin and lateral line. [5]

40-50 scales on lateral line. 12 scales before dorsal fin base. [6]

Chemistry:

Data not available

Conservation Status:

Global	:	Not Assessed	(Version 3.1) [730]
Bangladesh	:	Least Concern (LC)	(Version 3.1) [323]

Occurrence/Distribution:

Global	:	Afghanistan[6] Andaman Island[746] Bangladesh[70] Cambodia[823] China[890] India[855] Indonesia[449] Iran[6] Laos[851] Malaysia[449] Myanmar[857] Nepal[134] Pakistan[840] Sri Lanka[90] Taiwan[37] Thailand[143] Vietnam[449]
Bangladesh	:	Halda River, Chittagong Hill Tracts[598] Sunamganj haor region, Sunamganj[729] Kaptai reservoir (Kaptai lake), Rangamati[753] River Choto Jamuna, Naogaon[9] Tulsiganga River, Joypurhat[780] Meghna river, Narsingdi[781] Dhepa river, Dinajpur[779] Borulia haor, Kishoreganj[794] Chitra river, Jashore[793] Buriganga River, Dhaka[798] Old brahmaputra, Mymensingh[796] Talma River, Panchagarh[800] Little feni river, Feni[795] Jamunashwori river, Rangpur[808] Sandha river, Pirojpur[810] Atrai River, Dinajpur[815] Banar River, Mymensingh[1023] Tanguar Haor, Sunamganj[1025] Kishoreganj Haor Region, Kishoreganj[1026] Ramnabad river, Patuakhali[1163] Shakla heel, Brahmanbaria[1167] Balla beel, Moulvibazar[1168] Lohalia river, Patuakhali[1200] Betna river, Satkhira[1201] Ghaghat river, Gaibandha[1202]

Habitat and Environment:

Habitat: Data not available

Environment:

Parameters	Units	Minimum	Maximum	Optimum	Ref.
Temperature	-	-	-	-	-
pH	-	-	-	-	-
DO	-	-	-	-	-
Free CO2	-	-	-	-	-

Breeding Maturity:

Data not available

Breeding Season: (red background)

Data not available

Fecundity:

Absolute fecundity: 933 (min), 8,753 (max), ^[941]

Food and Feeding Habit:

Diet composition (%): Data not available

Importance:

Production and Marketing:
Production/Harvesting Season: (Green = Peak, Yellow = Off, Lemon = Moderate)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

[792]

Harvesting Gears:
Seine net, Gill net ^[792]
Market price:
No market value ^[792]