Osphromenus nobilis is a Misspelled Synonym of Ctenops nobilis that must not be used.

Ctenops nobilis McClelland, 1845

Frail Gourami - Naptey khalisha - Native Fish - Wild (Freshwater)

Systematic Position: [2]

Kingdom	:	Animalia
Phylum	:	Chordata
Class	:	Teleostei
Order	:	Perciformes
Family	:	Osphronemidae
Genus	:	Ctenops
Species	:	Ctenops nobilis

Common Names:

English	:	Frail Gourami[729] Indian Paradisefish[729]
Bangla	:	Naptey khalisha[729] Beukul[729] Naptani[729] Madhumala[729] Naptey khoira[729]

Synonyms:

Osphronemus nobilis (McClelland, 1845)
Osphromenus nobilis (McClelland, 1845)

Maximum Length and Weight:

100 mm (TL) ^[5] 10 cm (TL) ^[6]

Inter-Length Relationship:

Head length : Total length = 1 : 3.5-4 ^[5]
Body height : Total length : Standard length = 1 : 3-3.3 : 2.3-3 ^[5]
Eye Diameter : Head length = 1 : 3..5 ^[5]

Taxonomic Formula:

D. V-VI/7-8; P₁. 12; P₂. I/5; A. V/23-25 ^{[Rahman, 2005]}
D IV-VI 6-8; A IV-V 23-28; P 13; V I 5 ^{[Talwar and Jhingran, 1991]}
B VI; D V-VI/7-8; A IV-V/23-25; P 12; V I/5; C 16; L.ls 28-32; L.tr 6/12 ^{[Shafi and Quddus, 1982]}

Scales:

28-33 scales on lateral line. [6]

Chemistry:

Data not available

Conservation Status:

Global	:	Near Threatened (NT)	(Version 3.1) [640]
Bangladesh	:	Least Concern (LC)	(Version 3.1) [350]

Occurrence/Distribution:

Global	:	Bangladesh[70] India[6]
Bangladesh	:	Sunamganj haor region, Sunamganj[729] Meghna river, Narsingdi[781] Buriganga River, Dhaka[798] Nabaganga river, Narail[809] Tanguar Haor, Sunamganj[1025] Belua river, Pirojpur[1207]

Habitat and Environment:

Habitat:
Beel, Jeel, Haor, Baor, Pond ^[347]

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:

Data not available

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, Cast net, Bamboo trap ^[792]
Market price:
100-120 BDT/kg (Size: 5-6 cm, Weight: 10-15 g, Place: Noakhali, Bangladesh) ^[792]